Update ZAP to fix zapTypeToDecodableClusterObjectType to behave correctly. (#30692)

* Update ZAP to fix zapTypeToDecodableClusterObjectType to behave correctly.

Fixes https://github.com/project-chip/connectedhomeip/issues/30666

The zap_file_parser.py change fixes broken handling of null default values.

* Auto-update ZAP files.

* Regenerate generated code.
diff --git a/examples/lighting-app/bouffalolab/data_model/lighting-app-ethernet.matter b/examples/lighting-app/bouffalolab/data_model/lighting-app-ethernet.matter
index dacc334..b0926fb 100644
--- a/examples/lighting-app/bouffalolab/data_model/lighting-app-ethernet.matter
+++ b/examples/lighting-app/bouffalolab/data_model/lighting-app-ethernet.matter
@@ -1854,30 +1854,30 @@
     emits event AccessControlExtensionChanged;
     callback attribute acl;
     callback attribute extension;
-    callback attribute subjectsPerAccessControlEntry default = 4;
-    callback attribute targetsPerAccessControlEntry default = 3;
-    callback attribute accessControlEntriesPerFabric default = 4;
+    callback attribute subjectsPerAccessControlEntry;
+    callback attribute targetsPerAccessControlEntry;
+    callback attribute accessControlEntriesPerFabric;
     callback attribute attributeList;
     ram      attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute clusterRevision;
   }
 
   server cluster BasicInformation {
     emits event StartUp;
     emits event ShutDown;
     emits event Leave;
-    callback attribute dataModelRevision default = 10;
+    callback attribute dataModelRevision;
     callback attribute vendorName;
     callback attribute vendorID;
     callback attribute productName;
     callback attribute productID;
     persist  attribute nodeLabel;
-    callback attribute location default = "XX";
-    callback attribute hardwareVersion default = 0;
+    callback attribute location;
+    callback attribute hardwareVersion;
     callback attribute hardwareVersionString;
-    callback attribute softwareVersion default = 0;
+    callback attribute softwareVersion;
     callback attribute softwareVersionString;
-    callback attribute manufacturingDate default = "20210614123456ZZ";
+    callback attribute manufacturingDate;
     callback attribute partNumber;
     callback attribute productURL;
     callback attribute productLabel;
@@ -1895,7 +1895,7 @@
     emits event StateTransition;
     emits event VersionApplied;
     emits event DownloadError;
-    callback attribute defaultOTAProviders default = 0;
+    callback attribute defaultOTAProviders;
     ram      attribute updatePossible default = 1;
     ram      attribute updateState default = 0;
     ram      attribute updateStateProgress default = 0;
@@ -1923,9 +1923,9 @@
   server cluster GeneralCommissioning {
     ram      attribute breadcrumb default = 0x0000000000000000;
     callback attribute basicCommissioningInfo;
-    callback attribute regulatoryConfig default = 0;
-    callback attribute locationCapability default = 0;
-    callback attribute supportsConcurrentConnection default = 1;
+    callback attribute regulatoryConfig;
+    callback attribute locationCapability;
+    callback attribute supportsConcurrentConnection;
     ram      attribute featureMap default = 0;
     ram      attribute clusterRevision default = 1;
 
@@ -1973,9 +1973,9 @@
     emits event NetworkFaultChange;
     emits event BootReason;
     callback attribute networkInterfaces;
-    callback attribute rebootCount default = 0x0000;
-    callback attribute upTime default = 0x0000000000000000;
-    callback attribute totalOperationalHours default = 0x00000000;
+    callback attribute rebootCount;
+    callback attribute upTime;
+    callback attribute totalOperationalHours;
     callback attribute bootReason;
     callback attribute activeHardwareFaults;
     callback attribute activeRadioFaults;
@@ -1990,10 +1990,10 @@
   }
 
   server cluster SoftwareDiagnostics {
-    callback attribute currentHeapFree default = 0x0000000000000000;
-    callback attribute currentHeapUsed default = 0x0000000000000000;
-    callback attribute currentHeapHighWatermark default = 0x0000000000000000;
-    callback attribute featureMap default = 1;
+    callback attribute currentHeapFree;
+    callback attribute currentHeapUsed;
+    callback attribute currentHeapHighWatermark;
+    callback attribute featureMap;
     ram      attribute clusterRevision default = 1;
 
     handle command ResetWatermarks;
@@ -2001,14 +2001,14 @@
 
   server cluster EthernetNetworkDiagnostics {
     callback attribute PHYRate;
-    callback attribute fullDuplex default = 0x00;
-    callback attribute packetRxCount default = 0x0000000000000000;
-    callback attribute packetTxCount default = 0x0000000000000000;
-    callback attribute txErrCount default = 0x0000000000000000;
-    callback attribute collisionCount default = 0x0000000000000000;
-    callback attribute overrunCount default = 0x0000000000000000;
-    callback attribute carrierDetect default = 0x00;
-    callback attribute timeSinceReset default = 0x0000000000000000;
+    callback attribute fullDuplex;
+    callback attribute packetRxCount;
+    callback attribute packetTxCount;
+    callback attribute txErrCount;
+    callback attribute collisionCount;
+    callback attribute overrunCount;
+    callback attribute carrierDetect;
+    callback attribute timeSinceReset;
     ram      attribute featureMap default = 3;
     ram      attribute clusterRevision default = 1;
 
@@ -2016,9 +2016,9 @@
   }
 
   server cluster AdministratorCommissioning {
-    callback attribute windowStatus default = 0;
-    callback attribute adminFabricIndex default = 1;
-    callback attribute adminVendorId default = 0;
+    callback attribute windowStatus;
+    callback attribute adminFabricIndex;
+    callback attribute adminVendorId;
     ram      attribute featureMap default = 0;
     ram      attribute clusterRevision default = 1;
 
@@ -2056,8 +2056,8 @@
     callback attribute groupTable;
     callback attribute maxGroupsPerFabric;
     callback attribute maxGroupKeysPerFabric;
-    callback attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute featureMap;
+    callback attribute clusterRevision;
 
     handle command KeySetWrite;
     handle command KeySetRead;
@@ -2161,7 +2161,7 @@
     callback attribute clientList;
     callback attribute partsList;
     ram      attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute clusterRevision;
   }
 
   server cluster ColorControl {
diff --git a/examples/lighting-app/bouffalolab/data_model/lighting-app-ethernet.zap b/examples/lighting-app/bouffalolab/data_model/lighting-app-ethernet.zap
index 496954e..8e9a980 100644
--- a/examples/lighting-app/bouffalolab/data_model/lighting-app-ethernet.zap
+++ b/examples/lighting-app/bouffalolab/data_model/lighting-app-ethernet.zap
@@ -78,7 +78,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -94,7 +94,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -110,7 +110,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "4",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -126,7 +126,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "3",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -142,7 +142,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "4",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -158,7 +158,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -190,7 +190,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -232,7 +232,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "10",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -248,7 +248,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -264,7 +264,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -280,7 +280,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -296,7 +296,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -328,7 +328,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "XX",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -344,7 +344,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -360,7 +360,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -376,7 +376,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -392,7 +392,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -408,7 +408,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "20210614123456ZZ",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -424,7 +424,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -440,7 +440,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -456,7 +456,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -472,7 +472,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -504,7 +504,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -520,7 +520,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -536,7 +536,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -552,7 +552,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -711,7 +711,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -856,7 +856,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -946,7 +946,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1070,7 +1070,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1086,7 +1086,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1102,7 +1102,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1118,7 +1118,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1266,7 +1266,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1498,7 +1498,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1514,7 +1514,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1530,7 +1530,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1546,7 +1546,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1562,7 +1562,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1578,7 +1578,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1594,7 +1594,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1610,7 +1610,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1724,7 +1724,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1740,7 +1740,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1756,7 +1756,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1772,7 +1772,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1824,7 +1824,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1840,7 +1840,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1856,7 +1856,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1872,7 +1872,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1888,7 +1888,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1904,7 +1904,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1920,7 +1920,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1936,7 +1936,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1952,7 +1952,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2036,7 +2036,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2052,7 +2052,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2068,7 +2068,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2224,7 +2224,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2240,7 +2240,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2256,7 +2256,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2272,7 +2272,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2288,7 +2288,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2304,7 +2304,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2412,7 +2412,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2428,7 +2428,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2444,7 +2444,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2460,7 +2460,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2476,7 +2476,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2492,7 +2492,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2518,7 +2518,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2576,7 +2576,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3399,7 +3399,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3415,7 +3415,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3431,7 +3431,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3447,7 +3447,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3479,7 +3479,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4325,6 +4325,5 @@
       "endpointId": 1,
       "networkId": 0
     }
-  ],
-  "log": []
+  ]
 }
\ No newline at end of file
diff --git a/examples/lighting-app/bouffalolab/data_model/lighting-app-thread.matter b/examples/lighting-app/bouffalolab/data_model/lighting-app-thread.matter
index 615b7f8..a57bd73 100644
--- a/examples/lighting-app/bouffalolab/data_model/lighting-app-thread.matter
+++ b/examples/lighting-app/bouffalolab/data_model/lighting-app-thread.matter
@@ -1979,7 +1979,7 @@
     callback attribute clientList;
     callback attribute partsList;
     ram      attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute clusterRevision;
   }
 
   server cluster AccessControl {
@@ -1987,30 +1987,30 @@
     emits event AccessControlExtensionChanged;
     callback attribute acl;
     callback attribute extension;
-    callback attribute subjectsPerAccessControlEntry default = 4;
-    callback attribute targetsPerAccessControlEntry default = 3;
-    callback attribute accessControlEntriesPerFabric default = 4;
+    callback attribute subjectsPerAccessControlEntry;
+    callback attribute targetsPerAccessControlEntry;
+    callback attribute accessControlEntriesPerFabric;
     callback attribute attributeList;
     ram      attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute clusterRevision;
   }
 
   server cluster BasicInformation {
     emits event StartUp;
     emits event ShutDown;
     emits event Leave;
-    callback attribute dataModelRevision default = 10;
+    callback attribute dataModelRevision;
     callback attribute vendorName;
     callback attribute vendorID;
     callback attribute productName;
     callback attribute productID;
     persist  attribute nodeLabel;
-    callback attribute location default = "XX";
-    callback attribute hardwareVersion default = 0;
+    callback attribute location;
+    callback attribute hardwareVersion;
     callback attribute hardwareVersionString;
-    callback attribute softwareVersion default = 0;
+    callback attribute softwareVersion;
     callback attribute softwareVersionString;
-    callback attribute manufacturingDate default = "20210614123456ZZ";
+    callback attribute manufacturingDate;
     callback attribute partNumber;
     callback attribute productURL;
     callback attribute productLabel;
@@ -2028,7 +2028,7 @@
     emits event StateTransition;
     emits event VersionApplied;
     emits event DownloadError;
-    callback attribute defaultOTAProviders default = 0;
+    callback attribute defaultOTAProviders;
     ram      attribute updatePossible default = 1;
     ram      attribute updateState default = 0;
     ram      attribute updateStateProgress default = 0;
@@ -2056,9 +2056,9 @@
   server cluster GeneralCommissioning {
     ram      attribute breadcrumb default = 0x0000000000000000;
     callback attribute basicCommissioningInfo;
-    callback attribute regulatoryConfig default = 0;
-    callback attribute locationCapability default = 0;
-    callback attribute supportsConcurrentConnection default = 1;
+    callback attribute regulatoryConfig;
+    callback attribute locationCapability;
+    callback attribute supportsConcurrentConnection;
     ram      attribute featureMap default = 0;
     ram      attribute clusterRevision default = 1;
 
@@ -2106,9 +2106,9 @@
     emits event NetworkFaultChange;
     emits event BootReason;
     callback attribute networkInterfaces;
-    callback attribute rebootCount default = 0x0000;
-    callback attribute upTime default = 0x0000000000000000;
-    callback attribute totalOperationalHours default = 0x00000000;
+    callback attribute rebootCount;
+    callback attribute upTime;
+    callback attribute totalOperationalHours;
     callback attribute bootReason;
     callback attribute activeHardwareFaults;
     callback attribute activeRadioFaults;
@@ -2124,10 +2124,10 @@
 
   server cluster SoftwareDiagnostics {
     callback attribute threadMetrics;
-    callback attribute currentHeapFree default = 0x0000000000000000;
-    callback attribute currentHeapUsed default = 0x0000000000000000;
-    callback attribute currentHeapHighWatermark default = 0x0000000000000000;
-    callback attribute featureMap default = 1;
+    callback attribute currentHeapFree;
+    callback attribute currentHeapUsed;
+    callback attribute currentHeapHighWatermark;
+    callback attribute featureMap;
     ram      attribute clusterRevision default = 1;
 
     handle command ResetWatermarks;
@@ -2136,11 +2136,11 @@
   server cluster ThreadNetworkDiagnostics {
     callback attribute channel;
     callback attribute routingRole;
-    callback attribute networkName default = "0";
-    callback attribute panId default = 0x0000;
-    callback attribute extendedPanId default = 0x0000000000000000;
+    callback attribute networkName;
+    callback attribute panId;
+    callback attribute extendedPanId;
     callback attribute meshLocalPrefix;
-    callback attribute overrunCount default = 0x0000000000000000;
+    callback attribute overrunCount;
     callback attribute neighborTable;
     callback attribute routeTable;
     callback attribute partitionId;
@@ -2148,53 +2148,53 @@
     callback attribute dataVersion;
     callback attribute stableDataVersion;
     callback attribute leaderRouterId;
-    callback attribute detachedRoleCount default = 0x0000;
-    callback attribute childRoleCount default = 0x0000;
-    callback attribute routerRoleCount default = 0x0000;
-    callback attribute leaderRoleCount default = 0x0000;
-    callback attribute attachAttemptCount default = 0x0000;
-    callback attribute partitionIdChangeCount default = 0x0000;
-    callback attribute betterPartitionAttachAttemptCount default = 0x0000;
-    callback attribute parentChangeCount default = 0x0000;
-    callback attribute txTotalCount default = 0x0000;
-    callback attribute txUnicastCount default = 0x0000;
-    callback attribute txBroadcastCount default = 0x0000;
-    callback attribute txAckRequestedCount default = 0x0000;
-    callback attribute txAckedCount default = 0x0000;
-    callback attribute txNoAckRequestedCount default = 0x0000;
-    callback attribute txDataCount default = 0x0000;
-    callback attribute txDataPollCount default = 0x0000;
-    callback attribute txBeaconCount default = 0x0000;
-    callback attribute txBeaconRequestCount default = 0x0000;
-    callback attribute txOtherCount default = 0x0000;
-    callback attribute txRetryCount default = 0x0000;
-    callback attribute txDirectMaxRetryExpiryCount default = 0x0000;
-    callback attribute txIndirectMaxRetryExpiryCount default = 0x0000;
-    callback attribute txErrCcaCount default = 0x0000;
-    callback attribute txErrAbortCount default = 0x0000;
-    callback attribute txErrBusyChannelCount default = 0x0000;
-    callback attribute rxTotalCount default = 0x0000;
-    callback attribute rxUnicastCount default = 0x0000;
-    callback attribute rxBroadcastCount default = 0x0000;
-    callback attribute rxDataCount default = 0x0000;
-    callback attribute rxDataPollCount default = 0x0000;
-    callback attribute rxBeaconCount default = 0x0000;
-    callback attribute rxBeaconRequestCount default = 0x0000;
-    callback attribute rxOtherCount default = 0x0000;
-    callback attribute rxAddressFilteredCount default = 0x0000;
-    callback attribute rxDestAddrFilteredCount default = 0x0000;
-    callback attribute rxDuplicatedCount default = 0x0000;
-    callback attribute rxErrNoFrameCount default = 0x0000;
-    callback attribute rxErrUnknownNeighborCount default = 0x0000;
-    callback attribute rxErrInvalidSrcAddrCount default = 0x0000;
-    callback attribute rxErrSecCount default = 0x0000;
-    callback attribute rxErrFcsCount default = 0x0000;
-    callback attribute rxErrOtherCount default = 0x0000;
-    callback attribute activeTimestamp default = 0x0000000000000000;
-    callback attribute pendingTimestamp default = 0x0000000000000000;
-    callback attribute delay default = 0x0000;
+    callback attribute detachedRoleCount;
+    callback attribute childRoleCount;
+    callback attribute routerRoleCount;
+    callback attribute leaderRoleCount;
+    callback attribute attachAttemptCount;
+    callback attribute partitionIdChangeCount;
+    callback attribute betterPartitionAttachAttemptCount;
+    callback attribute parentChangeCount;
+    callback attribute txTotalCount;
+    callback attribute txUnicastCount;
+    callback attribute txBroadcastCount;
+    callback attribute txAckRequestedCount;
+    callback attribute txAckedCount;
+    callback attribute txNoAckRequestedCount;
+    callback attribute txDataCount;
+    callback attribute txDataPollCount;
+    callback attribute txBeaconCount;
+    callback attribute txBeaconRequestCount;
+    callback attribute txOtherCount;
+    callback attribute txRetryCount;
+    callback attribute txDirectMaxRetryExpiryCount;
+    callback attribute txIndirectMaxRetryExpiryCount;
+    callback attribute txErrCcaCount;
+    callback attribute txErrAbortCount;
+    callback attribute txErrBusyChannelCount;
+    callback attribute rxTotalCount;
+    callback attribute rxUnicastCount;
+    callback attribute rxBroadcastCount;
+    callback attribute rxDataCount;
+    callback attribute rxDataPollCount;
+    callback attribute rxBeaconCount;
+    callback attribute rxBeaconRequestCount;
+    callback attribute rxOtherCount;
+    callback attribute rxAddressFilteredCount;
+    callback attribute rxDestAddrFilteredCount;
+    callback attribute rxDuplicatedCount;
+    callback attribute rxErrNoFrameCount;
+    callback attribute rxErrUnknownNeighborCount;
+    callback attribute rxErrInvalidSrcAddrCount;
+    callback attribute rxErrSecCount;
+    callback attribute rxErrFcsCount;
+    callback attribute rxErrOtherCount;
+    callback attribute activeTimestamp;
+    callback attribute pendingTimestamp;
+    callback attribute delay;
     callback attribute securityPolicy;
-    callback attribute channelPage0Mask default = "0x0000";
+    callback attribute channelPage0Mask;
     callback attribute operationalDatasetComponents;
     callback attribute activeNetworkFaultsList;
     ram      attribute featureMap default = 0x000F;
@@ -2202,9 +2202,9 @@
   }
 
   server cluster AdministratorCommissioning {
-    callback attribute windowStatus default = 0;
-    callback attribute adminFabricIndex default = 1;
-    callback attribute adminVendorId default = 0;
+    callback attribute windowStatus;
+    callback attribute adminFabricIndex;
+    callback attribute adminVendorId;
     ram      attribute featureMap default = 0;
     ram      attribute clusterRevision default = 1;
 
@@ -2242,8 +2242,8 @@
     callback attribute groupTable;
     callback attribute maxGroupsPerFabric;
     callback attribute maxGroupKeysPerFabric;
-    callback attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute featureMap;
+    callback attribute clusterRevision;
 
     handle command KeySetWrite;
     handle command KeySetRead;
@@ -2347,7 +2347,7 @@
     callback attribute clientList;
     callback attribute partsList;
     ram      attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute clusterRevision;
   }
 
   server cluster ColorControl {
diff --git a/examples/lighting-app/bouffalolab/data_model/lighting-app-thread.zap b/examples/lighting-app/bouffalolab/data_model/lighting-app-thread.zap
index 46ee05b..f949193 100644
--- a/examples/lighting-app/bouffalolab/data_model/lighting-app-thread.zap
+++ b/examples/lighting-app/bouffalolab/data_model/lighting-app-thread.zap
@@ -78,7 +78,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -94,7 +94,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -110,7 +110,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -126,7 +126,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -158,7 +158,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -184,7 +184,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -200,7 +200,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -216,7 +216,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "4",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -232,7 +232,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "3",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -248,7 +248,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "4",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -264,7 +264,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -296,7 +296,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -338,7 +338,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "10",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -354,7 +354,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -370,7 +370,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -386,7 +386,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -402,7 +402,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -434,7 +434,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "XX",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -450,7 +450,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -466,7 +466,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -482,7 +482,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -498,7 +498,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -514,7 +514,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "20210614123456ZZ",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -530,7 +530,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -546,7 +546,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -562,7 +562,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -578,7 +578,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -610,7 +610,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -626,7 +626,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -642,7 +642,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -658,7 +658,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -817,7 +817,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -962,7 +962,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1052,7 +1052,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1176,7 +1176,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1192,7 +1192,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1208,7 +1208,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1224,7 +1224,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1372,7 +1372,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1604,7 +1604,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1620,7 +1620,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1636,7 +1636,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1652,7 +1652,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1668,7 +1668,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1684,7 +1684,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1700,7 +1700,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1716,7 +1716,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1830,7 +1830,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1846,7 +1846,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1862,7 +1862,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1878,7 +1878,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1894,7 +1894,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1936,7 +1936,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1952,7 +1952,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1968,7 +1968,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1984,7 +1984,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2000,7 +2000,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2016,7 +2016,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2032,7 +2032,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2048,7 +2048,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2064,7 +2064,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2080,7 +2080,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2096,7 +2096,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2112,7 +2112,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2128,7 +2128,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2144,7 +2144,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2160,7 +2160,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2176,7 +2176,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2192,7 +2192,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2208,7 +2208,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2224,7 +2224,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2240,7 +2240,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2256,7 +2256,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2272,7 +2272,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2288,7 +2288,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2304,7 +2304,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2320,7 +2320,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2336,7 +2336,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2352,7 +2352,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2368,7 +2368,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2384,7 +2384,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2400,7 +2400,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2416,7 +2416,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2432,7 +2432,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2448,7 +2448,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2464,7 +2464,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2480,7 +2480,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2496,7 +2496,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2512,7 +2512,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2528,7 +2528,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2544,7 +2544,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2560,7 +2560,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2576,7 +2576,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2592,7 +2592,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2608,7 +2608,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2624,7 +2624,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2640,7 +2640,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2656,7 +2656,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2672,7 +2672,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2688,7 +2688,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2704,7 +2704,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2720,7 +2720,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2736,7 +2736,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2752,7 +2752,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2768,7 +2768,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2784,7 +2784,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2800,7 +2800,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2816,7 +2816,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2832,7 +2832,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2848,7 +2848,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2864,7 +2864,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2880,7 +2880,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2896,7 +2896,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2912,7 +2912,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2928,7 +2928,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3012,7 +3012,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3028,7 +3028,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3044,7 +3044,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3200,7 +3200,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3216,7 +3216,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3232,7 +3232,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3248,7 +3248,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3264,7 +3264,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3280,7 +3280,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3388,7 +3388,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3404,7 +3404,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3420,7 +3420,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3436,7 +3436,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3452,7 +3452,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3468,7 +3468,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3494,7 +3494,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3552,7 +3552,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4375,7 +4375,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4391,7 +4391,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4407,7 +4407,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4423,7 +4423,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4455,7 +4455,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5301,6 +5301,5 @@
       "endpointId": 1,
       "networkId": 0
     }
-  ],
-  "log": []
+  ]
 }
\ No newline at end of file
diff --git a/examples/lighting-app/bouffalolab/data_model/lighting-app-wifi.matter b/examples/lighting-app/bouffalolab/data_model/lighting-app-wifi.matter
index a4c13b1..d40a42e 100644
--- a/examples/lighting-app/bouffalolab/data_model/lighting-app-wifi.matter
+++ b/examples/lighting-app/bouffalolab/data_model/lighting-app-wifi.matter
@@ -1890,7 +1890,7 @@
     callback attribute clientList;
     callback attribute partsList;
     ram      attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute clusterRevision;
   }
 
   server cluster AccessControl {
@@ -1898,30 +1898,30 @@
     emits event AccessControlExtensionChanged;
     callback attribute acl;
     callback attribute extension;
-    callback attribute subjectsPerAccessControlEntry default = 4;
-    callback attribute targetsPerAccessControlEntry default = 3;
-    callback attribute accessControlEntriesPerFabric default = 4;
+    callback attribute subjectsPerAccessControlEntry;
+    callback attribute targetsPerAccessControlEntry;
+    callback attribute accessControlEntriesPerFabric;
     callback attribute attributeList;
     ram      attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute clusterRevision;
   }
 
   server cluster BasicInformation {
     emits event StartUp;
     emits event ShutDown;
     emits event Leave;
-    callback attribute dataModelRevision default = 10;
+    callback attribute dataModelRevision;
     callback attribute vendorName;
     callback attribute vendorID;
     callback attribute productName;
     callback attribute productID;
     persist  attribute nodeLabel;
-    callback attribute location default = "XX";
-    callback attribute hardwareVersion default = 0;
+    callback attribute location;
+    callback attribute hardwareVersion;
     callback attribute hardwareVersionString;
-    callback attribute softwareVersion default = 0;
+    callback attribute softwareVersion;
     callback attribute softwareVersionString;
-    callback attribute manufacturingDate default = "20210614123456ZZ";
+    callback attribute manufacturingDate;
     callback attribute partNumber;
     callback attribute productURL;
     callback attribute productLabel;
@@ -1939,7 +1939,7 @@
     emits event StateTransition;
     emits event VersionApplied;
     emits event DownloadError;
-    callback attribute defaultOTAProviders default = 0;
+    callback attribute defaultOTAProviders;
     ram      attribute updatePossible default = 1;
     ram      attribute updateState default = 0;
     ram      attribute updateStateProgress default = 0;
@@ -1967,9 +1967,9 @@
   server cluster GeneralCommissioning {
     ram      attribute breadcrumb default = 0x0000000000000000;
     callback attribute basicCommissioningInfo;
-    callback attribute regulatoryConfig default = 0;
-    callback attribute locationCapability default = 0;
-    callback attribute supportsConcurrentConnection default = 1;
+    callback attribute regulatoryConfig;
+    callback attribute locationCapability;
+    callback attribute supportsConcurrentConnection;
     ram      attribute featureMap default = 0;
     ram      attribute clusterRevision default = 1;
 
@@ -2017,9 +2017,9 @@
     emits event NetworkFaultChange;
     emits event BootReason;
     callback attribute networkInterfaces;
-    callback attribute rebootCount default = 0x0000;
-    callback attribute upTime default = 0x0000000000000000;
-    callback attribute totalOperationalHours default = 0x00000000;
+    callback attribute rebootCount;
+    callback attribute upTime;
+    callback attribute totalOperationalHours;
     callback attribute bootReason;
     callback attribute activeHardwareFaults;
     callback attribute activeRadioFaults;
@@ -2034,10 +2034,10 @@
   }
 
   server cluster SoftwareDiagnostics {
-    callback attribute currentHeapFree default = 0x0000000000000000;
-    callback attribute currentHeapUsed default = 0x0000000000000000;
-    callback attribute currentHeapHighWatermark default = 0x0000000000000000;
-    callback attribute featureMap default = 1;
+    callback attribute currentHeapFree;
+    callback attribute currentHeapUsed;
+    callback attribute currentHeapHighWatermark;
+    callback attribute featureMap;
     ram      attribute clusterRevision default = 1;
 
     handle command ResetWatermarks;
@@ -2050,24 +2050,24 @@
     callback attribute bssid;
     callback attribute securityType;
     callback attribute wiFiVersion;
-    callback attribute channelNumber default = 0x0000;
-    callback attribute rssi default = 0x00;
-    callback attribute beaconLostCount default = 0x00000000;
-    callback attribute beaconRxCount default = 0x00000000;
-    callback attribute packetMulticastRxCount default = 0x00000000;
-    callback attribute packetMulticastTxCount default = 0x00000000;
-    callback attribute packetUnicastRxCount default = 0x00000000;
-    callback attribute packetUnicastTxCount default = 0x00000000;
-    callback attribute currentMaxRate default = 0x0000000000000000;
-    callback attribute overrunCount default = 0x0000000000000000;
+    callback attribute channelNumber;
+    callback attribute rssi;
+    callback attribute beaconLostCount;
+    callback attribute beaconRxCount;
+    callback attribute packetMulticastRxCount;
+    callback attribute packetMulticastTxCount;
+    callback attribute packetUnicastRxCount;
+    callback attribute packetUnicastTxCount;
+    callback attribute currentMaxRate;
+    callback attribute overrunCount;
     ram      attribute featureMap default = 3;
     ram      attribute clusterRevision default = 1;
   }
 
   server cluster AdministratorCommissioning {
-    callback attribute windowStatus default = 0;
-    callback attribute adminFabricIndex default = 1;
-    callback attribute adminVendorId default = 0;
+    callback attribute windowStatus;
+    callback attribute adminFabricIndex;
+    callback attribute adminVendorId;
     ram      attribute featureMap default = 0;
     ram      attribute clusterRevision default = 1;
 
@@ -2105,8 +2105,8 @@
     callback attribute groupTable;
     callback attribute maxGroupsPerFabric;
     callback attribute maxGroupKeysPerFabric;
-    callback attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute featureMap;
+    callback attribute clusterRevision;
 
     handle command KeySetWrite;
     handle command KeySetRead;
@@ -2210,7 +2210,7 @@
     callback attribute clientList;
     callback attribute partsList;
     ram      attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute clusterRevision;
   }
 
   server cluster ColorControl {
diff --git a/examples/lighting-app/bouffalolab/data_model/lighting-app-wifi.zap b/examples/lighting-app/bouffalolab/data_model/lighting-app-wifi.zap
index 464185a..3178019 100644
--- a/examples/lighting-app/bouffalolab/data_model/lighting-app-wifi.zap
+++ b/examples/lighting-app/bouffalolab/data_model/lighting-app-wifi.zap
@@ -78,7 +78,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -94,7 +94,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -110,7 +110,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -126,7 +126,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -158,7 +158,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -184,7 +184,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -200,7 +200,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -216,7 +216,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "4",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -232,7 +232,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "3",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -248,7 +248,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "4",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -264,7 +264,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -296,7 +296,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -338,7 +338,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "10",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -354,7 +354,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -370,7 +370,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -386,7 +386,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -402,7 +402,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -434,7 +434,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "XX",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -450,7 +450,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -466,7 +466,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -482,7 +482,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -498,7 +498,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -514,7 +514,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "20210614123456ZZ",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -530,7 +530,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -546,7 +546,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -562,7 +562,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -578,7 +578,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -610,7 +610,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -626,7 +626,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -642,7 +642,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -658,7 +658,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -817,7 +817,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -962,7 +962,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1052,7 +1052,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1176,7 +1176,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1192,7 +1192,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1208,7 +1208,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1224,7 +1224,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1372,7 +1372,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1604,7 +1604,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1620,7 +1620,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1636,7 +1636,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1652,7 +1652,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1668,7 +1668,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1684,7 +1684,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1700,7 +1700,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1716,7 +1716,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1830,7 +1830,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1846,7 +1846,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1862,7 +1862,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1878,7 +1878,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1920,7 +1920,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1936,7 +1936,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1952,7 +1952,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1968,7 +1968,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1984,7 +1984,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2000,7 +2000,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2016,7 +2016,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2032,7 +2032,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2048,7 +2048,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2064,7 +2064,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2080,7 +2080,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2096,7 +2096,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2112,7 +2112,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2219,7 +2219,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2235,7 +2235,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2251,7 +2251,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2407,7 +2407,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2423,7 +2423,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2439,7 +2439,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2455,7 +2455,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2471,7 +2471,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2487,7 +2487,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2595,7 +2595,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2611,7 +2611,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2627,7 +2627,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2643,7 +2643,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2659,7 +2659,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2675,7 +2675,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2701,7 +2701,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2759,7 +2759,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3582,7 +3582,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3598,7 +3598,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3614,7 +3614,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3630,7 +3630,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3662,7 +3662,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4508,6 +4508,5 @@
       "endpointId": 1,
       "networkId": 0
     }
-  ],
-  "log": []
+  ]
 }
\ No newline at end of file
diff --git a/examples/lighting-app/lighting-common/lighting-app.matter b/examples/lighting-app/lighting-common/lighting-app.matter
index 68ae1ef..b60127c 100644
--- a/examples/lighting-app/lighting-common/lighting-app.matter
+++ b/examples/lighting-app/lighting-common/lighting-app.matter
@@ -2387,7 +2387,7 @@
     callback attribute clientList;
     callback attribute partsList;
     ram      attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute clusterRevision;
   }
 
   server cluster AccessControl {
@@ -2395,30 +2395,30 @@
     emits event AccessControlExtensionChanged;
     callback attribute acl;
     callback attribute extension;
-    callback attribute subjectsPerAccessControlEntry default = 4;
-    callback attribute targetsPerAccessControlEntry default = 3;
-    callback attribute accessControlEntriesPerFabric default = 4;
+    callback attribute subjectsPerAccessControlEntry;
+    callback attribute targetsPerAccessControlEntry;
+    callback attribute accessControlEntriesPerFabric;
     callback attribute attributeList;
     ram      attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute clusterRevision;
   }
 
   server cluster BasicInformation {
     emits event StartUp;
     emits event ShutDown;
     emits event Leave;
-    callback attribute dataModelRevision default = 10;
+    callback attribute dataModelRevision;
     callback attribute vendorName;
     callback attribute vendorID;
     callback attribute productName;
     callback attribute productID;
     persist  attribute nodeLabel;
-    callback attribute location default = "XX";
-    callback attribute hardwareVersion default = 0;
+    callback attribute location;
+    callback attribute hardwareVersion;
     callback attribute hardwareVersionString;
-    callback attribute softwareVersion default = 0;
+    callback attribute softwareVersion;
     callback attribute softwareVersionString;
-    callback attribute manufacturingDate default = "20210614123456ZZ";
+    callback attribute manufacturingDate;
     callback attribute partNumber;
     callback attribute productURL;
     callback attribute productLabel;
@@ -2436,7 +2436,7 @@
     emits event StateTransition;
     emits event VersionApplied;
     emits event DownloadError;
-    callback attribute defaultOTAProviders default = 0;
+    callback attribute defaultOTAProviders;
     ram      attribute updatePossible default = 1;
     ram      attribute updateState default = 0;
     ram      attribute updateStateProgress default = 0;
@@ -2464,9 +2464,9 @@
   server cluster GeneralCommissioning {
     ram      attribute breadcrumb default = 0x0000000000000000;
     callback attribute basicCommissioningInfo;
-    callback attribute regulatoryConfig default = 0;
-    callback attribute locationCapability default = 0;
-    callback attribute supportsConcurrentConnection default = 1;
+    callback attribute regulatoryConfig;
+    callback attribute locationCapability;
+    callback attribute supportsConcurrentConnection;
     ram      attribute featureMap default = 0;
     ram      attribute clusterRevision default = 1;
 
@@ -2514,9 +2514,9 @@
     emits event NetworkFaultChange;
     emits event BootReason;
     callback attribute networkInterfaces;
-    callback attribute rebootCount default = 0x0000;
-    callback attribute upTime default = 0x0000000000000000;
-    callback attribute totalOperationalHours default = 0x00000000;
+    callback attribute rebootCount;
+    callback attribute upTime;
+    callback attribute totalOperationalHours;
     callback attribute bootReason;
     callback attribute activeHardwareFaults;
     callback attribute activeRadioFaults;
@@ -2532,10 +2532,10 @@
 
   server cluster SoftwareDiagnostics {
     callback attribute threadMetrics;
-    callback attribute currentHeapFree default = 0x0000000000000000;
-    callback attribute currentHeapUsed default = 0x0000000000000000;
-    callback attribute currentHeapHighWatermark default = 0x0000000000000000;
-    callback attribute featureMap default = 1;
+    callback attribute currentHeapFree;
+    callback attribute currentHeapUsed;
+    callback attribute currentHeapHighWatermark;
+    callback attribute featureMap;
     ram      attribute clusterRevision default = 1;
 
     handle command ResetWatermarks;
@@ -2544,11 +2544,11 @@
   server cluster ThreadNetworkDiagnostics {
     callback attribute channel;
     callback attribute routingRole;
-    callback attribute networkName default = "0";
-    callback attribute panId default = 0x0000;
-    callback attribute extendedPanId default = 0x0000000000000000;
+    callback attribute networkName;
+    callback attribute panId;
+    callback attribute extendedPanId;
     callback attribute meshLocalPrefix;
-    callback attribute overrunCount default = 0x0000000000000000;
+    callback attribute overrunCount;
     callback attribute neighborTable;
     callback attribute routeTable;
     callback attribute partitionId;
@@ -2556,53 +2556,53 @@
     callback attribute dataVersion;
     callback attribute stableDataVersion;
     callback attribute leaderRouterId;
-    callback attribute detachedRoleCount default = 0x0000;
-    callback attribute childRoleCount default = 0x0000;
-    callback attribute routerRoleCount default = 0x0000;
-    callback attribute leaderRoleCount default = 0x0000;
-    callback attribute attachAttemptCount default = 0x0000;
-    callback attribute partitionIdChangeCount default = 0x0000;
-    callback attribute betterPartitionAttachAttemptCount default = 0x0000;
-    callback attribute parentChangeCount default = 0x0000;
-    callback attribute txTotalCount default = 0x0000;
-    callback attribute txUnicastCount default = 0x0000;
-    callback attribute txBroadcastCount default = 0x0000;
-    callback attribute txAckRequestedCount default = 0x0000;
-    callback attribute txAckedCount default = 0x0000;
-    callback attribute txNoAckRequestedCount default = 0x0000;
-    callback attribute txDataCount default = 0x0000;
-    callback attribute txDataPollCount default = 0x0000;
-    callback attribute txBeaconCount default = 0x0000;
-    callback attribute txBeaconRequestCount default = 0x0000;
-    callback attribute txOtherCount default = 0x0000;
-    callback attribute txRetryCount default = 0x0000;
-    callback attribute txDirectMaxRetryExpiryCount default = 0x0000;
-    callback attribute txIndirectMaxRetryExpiryCount default = 0x0000;
-    callback attribute txErrCcaCount default = 0x0000;
-    callback attribute txErrAbortCount default = 0x0000;
-    callback attribute txErrBusyChannelCount default = 0x0000;
-    callback attribute rxTotalCount default = 0x0000;
-    callback attribute rxUnicastCount default = 0x0000;
-    callback attribute rxBroadcastCount default = 0x0000;
-    callback attribute rxDataCount default = 0x0000;
-    callback attribute rxDataPollCount default = 0x0000;
-    callback attribute rxBeaconCount default = 0x0000;
-    callback attribute rxBeaconRequestCount default = 0x0000;
-    callback attribute rxOtherCount default = 0x0000;
-    callback attribute rxAddressFilteredCount default = 0x0000;
-    callback attribute rxDestAddrFilteredCount default = 0x0000;
-    callback attribute rxDuplicatedCount default = 0x0000;
-    callback attribute rxErrNoFrameCount default = 0x0000;
-    callback attribute rxErrUnknownNeighborCount default = 0x0000;
-    callback attribute rxErrInvalidSrcAddrCount default = 0x0000;
-    callback attribute rxErrSecCount default = 0x0000;
-    callback attribute rxErrFcsCount default = 0x0000;
-    callback attribute rxErrOtherCount default = 0x0000;
-    callback attribute activeTimestamp default = 0x0000000000000000;
-    callback attribute pendingTimestamp default = 0x0000000000000000;
-    callback attribute delay default = 0x0000;
+    callback attribute detachedRoleCount;
+    callback attribute childRoleCount;
+    callback attribute routerRoleCount;
+    callback attribute leaderRoleCount;
+    callback attribute attachAttemptCount;
+    callback attribute partitionIdChangeCount;
+    callback attribute betterPartitionAttachAttemptCount;
+    callback attribute parentChangeCount;
+    callback attribute txTotalCount;
+    callback attribute txUnicastCount;
+    callback attribute txBroadcastCount;
+    callback attribute txAckRequestedCount;
+    callback attribute txAckedCount;
+    callback attribute txNoAckRequestedCount;
+    callback attribute txDataCount;
+    callback attribute txDataPollCount;
+    callback attribute txBeaconCount;
+    callback attribute txBeaconRequestCount;
+    callback attribute txOtherCount;
+    callback attribute txRetryCount;
+    callback attribute txDirectMaxRetryExpiryCount;
+    callback attribute txIndirectMaxRetryExpiryCount;
+    callback attribute txErrCcaCount;
+    callback attribute txErrAbortCount;
+    callback attribute txErrBusyChannelCount;
+    callback attribute rxTotalCount;
+    callback attribute rxUnicastCount;
+    callback attribute rxBroadcastCount;
+    callback attribute rxDataCount;
+    callback attribute rxDataPollCount;
+    callback attribute rxBeaconCount;
+    callback attribute rxBeaconRequestCount;
+    callback attribute rxOtherCount;
+    callback attribute rxAddressFilteredCount;
+    callback attribute rxDestAddrFilteredCount;
+    callback attribute rxDuplicatedCount;
+    callback attribute rxErrNoFrameCount;
+    callback attribute rxErrUnknownNeighborCount;
+    callback attribute rxErrInvalidSrcAddrCount;
+    callback attribute rxErrSecCount;
+    callback attribute rxErrFcsCount;
+    callback attribute rxErrOtherCount;
+    callback attribute activeTimestamp;
+    callback attribute pendingTimestamp;
+    callback attribute delay;
     callback attribute securityPolicy;
-    callback attribute channelPage0Mask default = "0x0000";
+    callback attribute channelPage0Mask;
     callback attribute operationalDatasetComponents;
     callback attribute activeNetworkFaultsList;
     ram      attribute featureMap default = 0x000F;
@@ -2618,16 +2618,16 @@
     callback attribute bssid;
     callback attribute securityType;
     callback attribute wiFiVersion;
-    callback attribute channelNumber default = 0x0000;
-    callback attribute rssi default = 0x00;
-    callback attribute beaconLostCount default = 0x00000000;
-    callback attribute beaconRxCount default = 0x00000000;
-    callback attribute packetMulticastRxCount default = 0x00000000;
-    callback attribute packetMulticastTxCount default = 0x00000000;
-    callback attribute packetUnicastRxCount default = 0x00000000;
-    callback attribute packetUnicastTxCount default = 0x00000000;
-    callback attribute currentMaxRate default = 0x0000000000000000;
-    callback attribute overrunCount default = 0x0000000000000000;
+    callback attribute channelNumber;
+    callback attribute rssi;
+    callback attribute beaconLostCount;
+    callback attribute beaconRxCount;
+    callback attribute packetMulticastRxCount;
+    callback attribute packetMulticastTxCount;
+    callback attribute packetUnicastRxCount;
+    callback attribute packetUnicastTxCount;
+    callback attribute currentMaxRate;
+    callback attribute overrunCount;
     ram      attribute featureMap default = 3;
     ram      attribute clusterRevision default = 1;
 
@@ -2636,14 +2636,14 @@
 
   server cluster EthernetNetworkDiagnostics {
     callback attribute PHYRate;
-    callback attribute fullDuplex default = 0x00;
-    callback attribute packetRxCount default = 0x0000000000000000;
-    callback attribute packetTxCount default = 0x0000000000000000;
-    callback attribute txErrCount default = 0x0000000000000000;
-    callback attribute collisionCount default = 0x0000000000000000;
-    callback attribute overrunCount default = 0x0000000000000000;
-    callback attribute carrierDetect default = 0x00;
-    callback attribute timeSinceReset default = 0x0000000000000000;
+    callback attribute fullDuplex;
+    callback attribute packetRxCount;
+    callback attribute packetTxCount;
+    callback attribute txErrCount;
+    callback attribute collisionCount;
+    callback attribute overrunCount;
+    callback attribute carrierDetect;
+    callback attribute timeSinceReset;
     ram      attribute featureMap default = 3;
     ram      attribute clusterRevision default = 1;
 
@@ -2659,9 +2659,9 @@
   }
 
   server cluster AdministratorCommissioning {
-    callback attribute windowStatus default = 0;
-    callback attribute adminFabricIndex default = 1;
-    callback attribute adminVendorId default = 0;
+    callback attribute windowStatus;
+    callback attribute adminFabricIndex;
+    callback attribute adminVendorId;
     ram      attribute featureMap default = 0;
     ram      attribute clusterRevision default = 1;
 
@@ -2699,8 +2699,8 @@
     callback attribute groupTable;
     callback attribute maxGroupsPerFabric;
     callback attribute maxGroupKeysPerFabric;
-    callback attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute featureMap;
+    callback attribute clusterRevision;
 
     handle command KeySetWrite;
     handle command KeySetRead;
@@ -2833,7 +2833,7 @@
     callback attribute clientList;
     callback attribute partsList;
     ram      attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute clusterRevision;
   }
 
   server cluster ColorControl {
diff --git a/examples/lighting-app/lighting-common/lighting-app.zap b/examples/lighting-app/lighting-common/lighting-app.zap
index 6da9e05..66c0be9 100644
--- a/examples/lighting-app/lighting-common/lighting-app.zap
+++ b/examples/lighting-app/lighting-common/lighting-app.zap
@@ -78,7 +78,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -94,7 +94,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -110,7 +110,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -126,7 +126,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -158,7 +158,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -184,7 +184,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -200,7 +200,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -216,7 +216,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "4",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -232,7 +232,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "3",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -248,7 +248,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "4",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -264,7 +264,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -296,7 +296,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -338,7 +338,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "10",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -354,7 +354,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -370,7 +370,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -386,7 +386,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -402,7 +402,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -434,7 +434,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "XX",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -450,7 +450,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -466,7 +466,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -482,7 +482,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -498,7 +498,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -514,7 +514,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "20210614123456ZZ",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -530,7 +530,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -546,7 +546,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -562,7 +562,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -578,7 +578,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -610,7 +610,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -626,7 +626,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -642,7 +642,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -658,7 +658,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -817,7 +817,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -962,7 +962,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1052,7 +1052,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1176,7 +1176,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1192,7 +1192,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1208,7 +1208,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1224,7 +1224,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1372,7 +1372,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1604,7 +1604,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1620,7 +1620,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1636,7 +1636,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1652,7 +1652,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1668,7 +1668,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1684,7 +1684,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1700,7 +1700,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1716,7 +1716,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1830,7 +1830,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1846,7 +1846,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1862,7 +1862,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1878,7 +1878,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1894,7 +1894,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1946,7 +1946,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1962,7 +1962,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1978,7 +1978,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1994,7 +1994,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2010,7 +2010,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2026,7 +2026,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2042,7 +2042,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2058,7 +2058,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2074,7 +2074,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2090,7 +2090,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2106,7 +2106,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2122,7 +2122,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2138,7 +2138,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2154,7 +2154,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2170,7 +2170,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2186,7 +2186,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2202,7 +2202,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2218,7 +2218,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2234,7 +2234,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2250,7 +2250,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2266,7 +2266,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2282,7 +2282,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2298,7 +2298,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2314,7 +2314,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2330,7 +2330,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2346,7 +2346,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2362,7 +2362,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2378,7 +2378,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2394,7 +2394,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2410,7 +2410,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2426,7 +2426,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2442,7 +2442,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2458,7 +2458,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2474,7 +2474,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2490,7 +2490,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2506,7 +2506,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2522,7 +2522,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2538,7 +2538,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2554,7 +2554,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2570,7 +2570,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2586,7 +2586,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2602,7 +2602,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2618,7 +2618,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2634,7 +2634,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2650,7 +2650,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2666,7 +2666,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2682,7 +2682,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2698,7 +2698,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2714,7 +2714,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2730,7 +2730,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2746,7 +2746,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2762,7 +2762,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2778,7 +2778,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2794,7 +2794,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2810,7 +2810,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2826,7 +2826,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2842,7 +2842,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2858,7 +2858,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2874,7 +2874,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2890,7 +2890,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2906,7 +2906,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2922,7 +2922,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2938,7 +2938,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3006,7 +3006,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3022,7 +3022,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3038,7 +3038,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3054,7 +3054,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3070,7 +3070,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3086,7 +3086,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3102,7 +3102,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3118,7 +3118,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3134,7 +3134,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3150,7 +3150,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3166,7 +3166,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3182,7 +3182,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3198,7 +3198,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3289,7 +3289,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3305,7 +3305,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3321,7 +3321,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3337,7 +3337,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3353,7 +3353,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3369,7 +3369,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3385,7 +3385,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3401,7 +3401,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3417,7 +3417,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3584,7 +3584,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3600,7 +3600,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3616,7 +3616,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3772,7 +3772,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3788,7 +3788,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3804,7 +3804,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3820,7 +3820,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3836,7 +3836,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3852,7 +3852,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3960,7 +3960,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3976,7 +3976,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3992,7 +3992,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4008,7 +4008,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4024,7 +4024,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4040,7 +4040,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4066,7 +4066,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4124,7 +4124,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4619,10 +4619,10 @@
               "side": "server",
               "type": "array",
               "included": 1,
-              "storageOption": "RAM",
+              "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4638,7 +4638,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4654,7 +4654,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4670,7 +4670,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5232,7 +5232,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5248,7 +5248,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5264,7 +5264,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5280,7 +5280,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5312,7 +5312,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5960,6 +5960,5 @@
       "endpointId": 1,
       "networkId": 0
     }
-  ],
-  "log": []
+  ]
 }
\ No newline at end of file
diff --git a/examples/lighting-app/nxp/zap/lighting-on-off.matter b/examples/lighting-app/nxp/zap/lighting-on-off.matter
index de7d311..0003dd4 100644
--- a/examples/lighting-app/nxp/zap/lighting-on-off.matter
+++ b/examples/lighting-app/nxp/zap/lighting-on-off.matter
@@ -1516,35 +1516,35 @@
     callback attribute clientList;
     callback attribute partsList;
     ram      attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute clusterRevision;
   }
 
   server cluster AccessControl {
     emits event AccessControlEntryChanged;
     emits event AccessControlExtensionChanged;
     callback attribute acl;
-    callback attribute subjectsPerAccessControlEntry default = 4;
-    callback attribute targetsPerAccessControlEntry default = 3;
-    callback attribute accessControlEntriesPerFabric default = 4;
+    callback attribute subjectsPerAccessControlEntry;
+    callback attribute targetsPerAccessControlEntry;
+    callback attribute accessControlEntriesPerFabric;
     callback attribute attributeList;
     ram      attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute clusterRevision;
   }
 
   server cluster BasicInformation {
     emits event StartUp;
     emits event ShutDown;
     emits event Leave;
-    callback attribute dataModelRevision default = 10;
+    callback attribute dataModelRevision;
     callback attribute vendorName;
     callback attribute vendorID;
     callback attribute productName;
     callback attribute productID;
     persist  attribute nodeLabel;
-    callback attribute location default = "XX";
-    callback attribute hardwareVersion default = 0;
+    callback attribute location;
+    callback attribute hardwareVersion;
     callback attribute hardwareVersionString;
-    callback attribute softwareVersion default = 0;
+    callback attribute softwareVersion;
     callback attribute softwareVersionString;
     callback attribute capabilityMinima;
     callback attribute specificationVersion;
@@ -1557,7 +1557,7 @@
     emits event StateTransition;
     emits event VersionApplied;
     emits event DownloadError;
-    callback attribute defaultOTAProviders default = 0;
+    callback attribute defaultOTAProviders;
     ram      attribute updatePossible default = 1;
     ram      attribute updateState default = 0;
     ram      attribute updateStateProgress default = 0;
@@ -1570,9 +1570,9 @@
   server cluster GeneralCommissioning {
     ram      attribute breadcrumb default = 0x0000000000000000;
     callback attribute basicCommissioningInfo;
-    callback attribute regulatoryConfig default = 0;
-    callback attribute locationCapability default = 0;
-    callback attribute supportsConcurrentConnection default = 1;
+    callback attribute regulatoryConfig;
+    callback attribute locationCapability;
+    callback attribute supportsConcurrentConnection;
     ram      attribute featureMap default = 0;
     ram      attribute clusterRevision default = 1;
 
@@ -1609,8 +1609,8 @@
   server cluster GeneralDiagnostics {
     emits event BootReason;
     callback attribute networkInterfaces;
-    callback attribute rebootCount default = 0x0000;
-    callback attribute upTime default = 0x0000000000000000;
+    callback attribute rebootCount;
+    callback attribute upTime;
     callback attribute testEventTriggersEnabled default = false;
     ram      attribute featureMap default = 0;
     ram      attribute clusterRevision default = 0x0002;
@@ -1622,10 +1622,10 @@
 
   server cluster SoftwareDiagnostics {
     callback attribute threadMetrics;
-    callback attribute currentHeapFree default = 0x0000000000000000;
-    callback attribute currentHeapUsed default = 0x0000000000000000;
-    callback attribute currentHeapHighWatermark default = 0x0000000000000000;
-    callback attribute featureMap default = 1;
+    callback attribute currentHeapFree;
+    callback attribute currentHeapUsed;
+    callback attribute currentHeapHighWatermark;
+    callback attribute featureMap;
     ram      attribute clusterRevision default = 1;
 
     handle command ResetWatermarks;
@@ -1634,11 +1634,11 @@
   server cluster ThreadNetworkDiagnostics {
     callback attribute channel;
     callback attribute routingRole;
-    callback attribute networkName default = "0";
-    callback attribute panId default = 0x0000;
-    callback attribute extendedPanId default = 0x0000000000000000;
+    callback attribute networkName;
+    callback attribute panId;
+    callback attribute extendedPanId;
     callback attribute meshLocalPrefix;
-    callback attribute overrunCount default = 0x0000000000000000;
+    callback attribute overrunCount;
     callback attribute neighborTable;
     callback attribute routeTable;
     callback attribute partitionId;
@@ -1646,50 +1646,50 @@
     callback attribute dataVersion;
     callback attribute stableDataVersion;
     callback attribute leaderRouterId;
-    callback attribute detachedRoleCount default = 0x0000;
-    callback attribute childRoleCount default = 0x0000;
-    callback attribute routerRoleCount default = 0x0000;
-    callback attribute leaderRoleCount default = 0x0000;
-    callback attribute attachAttemptCount default = 0x0000;
-    callback attribute partitionIdChangeCount default = 0x0000;
-    callback attribute betterPartitionAttachAttemptCount default = 0x0000;
-    callback attribute parentChangeCount default = 0x0000;
-    callback attribute txTotalCount default = 0x0000;
-    callback attribute txUnicastCount default = 0x0000;
-    callback attribute txBroadcastCount default = 0x0000;
-    callback attribute txAckRequestedCount default = 0x0000;
-    callback attribute txAckedCount default = 0x0000;
-    callback attribute txNoAckRequestedCount default = 0x0000;
-    callback attribute txDataCount default = 0x0000;
-    callback attribute txDataPollCount default = 0x0000;
-    callback attribute txBeaconCount default = 0x0000;
-    callback attribute txBeaconRequestCount default = 0x0000;
-    callback attribute txOtherCount default = 0x0000;
-    callback attribute txRetryCount default = 0x0000;
-    callback attribute txDirectMaxRetryExpiryCount default = 0x0000;
-    callback attribute txIndirectMaxRetryExpiryCount default = 0x0000;
-    callback attribute txErrCcaCount default = 0x0000;
-    callback attribute txErrAbortCount default = 0x0000;
-    callback attribute txErrBusyChannelCount default = 0x0000;
-    callback attribute rxTotalCount default = 0x0000;
-    callback attribute rxUnicastCount default = 0x0000;
-    callback attribute rxBroadcastCount default = 0x0000;
-    callback attribute rxDataCount default = 0x0000;
-    callback attribute rxDataPollCount default = 0x0000;
-    callback attribute rxBeaconCount default = 0x0000;
-    callback attribute rxBeaconRequestCount default = 0x0000;
-    callback attribute rxOtherCount default = 0x0000;
-    callback attribute rxAddressFilteredCount default = 0x0000;
-    callback attribute rxDestAddrFilteredCount default = 0x0000;
-    callback attribute rxDuplicatedCount default = 0x0000;
-    callback attribute rxErrNoFrameCount default = 0x0000;
-    callback attribute rxErrUnknownNeighborCount default = 0x0000;
-    callback attribute rxErrInvalidSrcAddrCount default = 0x0000;
-    callback attribute rxErrSecCount default = 0x0000;
-    callback attribute rxErrFcsCount default = 0x0000;
-    callback attribute rxErrOtherCount default = 0x0000;
+    callback attribute detachedRoleCount;
+    callback attribute childRoleCount;
+    callback attribute routerRoleCount;
+    callback attribute leaderRoleCount;
+    callback attribute attachAttemptCount;
+    callback attribute partitionIdChangeCount;
+    callback attribute betterPartitionAttachAttemptCount;
+    callback attribute parentChangeCount;
+    callback attribute txTotalCount;
+    callback attribute txUnicastCount;
+    callback attribute txBroadcastCount;
+    callback attribute txAckRequestedCount;
+    callback attribute txAckedCount;
+    callback attribute txNoAckRequestedCount;
+    callback attribute txDataCount;
+    callback attribute txDataPollCount;
+    callback attribute txBeaconCount;
+    callback attribute txBeaconRequestCount;
+    callback attribute txOtherCount;
+    callback attribute txRetryCount;
+    callback attribute txDirectMaxRetryExpiryCount;
+    callback attribute txIndirectMaxRetryExpiryCount;
+    callback attribute txErrCcaCount;
+    callback attribute txErrAbortCount;
+    callback attribute txErrBusyChannelCount;
+    callback attribute rxTotalCount;
+    callback attribute rxUnicastCount;
+    callback attribute rxBroadcastCount;
+    callback attribute rxDataCount;
+    callback attribute rxDataPollCount;
+    callback attribute rxBeaconCount;
+    callback attribute rxBeaconRequestCount;
+    callback attribute rxOtherCount;
+    callback attribute rxAddressFilteredCount;
+    callback attribute rxDestAddrFilteredCount;
+    callback attribute rxDuplicatedCount;
+    callback attribute rxErrNoFrameCount;
+    callback attribute rxErrUnknownNeighborCount;
+    callback attribute rxErrInvalidSrcAddrCount;
+    callback attribute rxErrSecCount;
+    callback attribute rxErrFcsCount;
+    callback attribute rxErrOtherCount;
     callback attribute securityPolicy;
-    callback attribute channelPage0Mask default = "0x0000";
+    callback attribute channelPage0Mask;
     callback attribute operationalDatasetComponents;
     callback attribute activeNetworkFaultsList;
     ram      attribute featureMap default = 0x000F;
@@ -1699,9 +1699,9 @@
   }
 
   server cluster AdministratorCommissioning {
-    callback attribute windowStatus default = 0;
-    callback attribute adminFabricIndex default = 1;
-    callback attribute adminVendorId default = 0;
+    callback attribute windowStatus;
+    callback attribute adminFabricIndex;
+    callback attribute adminVendorId;
     ram      attribute featureMap default = 0;
     ram      attribute clusterRevision default = 1;
 
@@ -1738,8 +1738,8 @@
     callback attribute groupTable;
     callback attribute maxGroupsPerFabric;
     callback attribute maxGroupKeysPerFabric;
-    callback attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute featureMap;
+    callback attribute clusterRevision;
 
     handle command KeySetWrite;
     handle command KeySetRead;
@@ -1839,7 +1839,7 @@
     callback attribute acceptedCommandList;
     callback attribute attributeList;
     ram      attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute clusterRevision;
   }
 }
 
diff --git a/examples/lighting-app/nxp/zap/lighting-on-off.zap b/examples/lighting-app/nxp/zap/lighting-on-off.zap
index 5aa0118..5be2173 100644
--- a/examples/lighting-app/nxp/zap/lighting-on-off.zap
+++ b/examples/lighting-app/nxp/zap/lighting-on-off.zap
@@ -78,7 +78,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -94,7 +94,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -110,7 +110,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -126,7 +126,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -158,7 +158,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -184,7 +184,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -200,7 +200,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "4",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -216,7 +216,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "3",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -232,7 +232,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "4",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -248,7 +248,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -280,7 +280,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -322,7 +322,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "10",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -338,7 +338,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -354,7 +354,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -370,7 +370,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -386,7 +386,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -418,7 +418,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "XX",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -434,7 +434,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -450,7 +450,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -466,7 +466,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -482,7 +482,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -498,7 +498,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -514,7 +514,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -530,7 +530,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -689,7 +689,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -884,7 +884,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -900,7 +900,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -916,7 +916,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -932,7 +932,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1072,7 +1072,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1252,7 +1252,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1268,7 +1268,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1284,7 +1284,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1377,7 +1377,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1393,7 +1393,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1409,7 +1409,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1425,7 +1425,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1441,7 +1441,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1493,7 +1493,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1509,7 +1509,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1525,7 +1525,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1541,7 +1541,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1557,7 +1557,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1573,7 +1573,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1589,7 +1589,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1605,7 +1605,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1621,7 +1621,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1637,7 +1637,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1653,7 +1653,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1669,7 +1669,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1685,7 +1685,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1701,7 +1701,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1717,7 +1717,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1733,7 +1733,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1749,7 +1749,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1765,7 +1765,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1781,7 +1781,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1797,7 +1797,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1813,7 +1813,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1829,7 +1829,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1845,7 +1845,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1861,7 +1861,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1877,7 +1877,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1893,7 +1893,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1909,7 +1909,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1925,7 +1925,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1941,7 +1941,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1957,7 +1957,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1973,7 +1973,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1989,7 +1989,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2005,7 +2005,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2021,7 +2021,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2037,7 +2037,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2053,7 +2053,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2069,7 +2069,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2085,7 +2085,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2101,7 +2101,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2117,7 +2117,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2133,7 +2133,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2149,7 +2149,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2165,7 +2165,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2181,7 +2181,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2197,7 +2197,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2213,7 +2213,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2229,7 +2229,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2245,7 +2245,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2261,7 +2261,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2277,7 +2277,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2293,7 +2293,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2309,7 +2309,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2325,7 +2325,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2341,7 +2341,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2357,7 +2357,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2373,7 +2373,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2389,7 +2389,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2405,7 +2405,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2421,7 +2421,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2437,7 +2437,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2513,7 +2513,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2529,7 +2529,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2545,7 +2545,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2701,7 +2701,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2717,7 +2717,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2733,7 +2733,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2749,7 +2749,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2765,7 +2765,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2781,7 +2781,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2889,7 +2889,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2905,7 +2905,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2921,7 +2921,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2937,7 +2937,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2953,7 +2953,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2969,7 +2969,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3074,7 +3074,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3090,7 +3090,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3106,7 +3106,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3262,7 +3262,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3278,7 +3278,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3294,7 +3294,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3482,7 +3482,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3498,7 +3498,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3514,7 +3514,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3750,7 +3750,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3766,7 +3766,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3782,7 +3782,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3840,7 +3840,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3856,7 +3856,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3872,7 +3872,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3888,7 +3888,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3904,7 +3904,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3920,7 +3920,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3936,7 +3936,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3968,7 +3968,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3994,6 +3994,5 @@
       "endpointId": 1,
       "networkId": 0
     }
-  ],
-  "log": []
+  ]
 }
\ No newline at end of file
diff --git a/examples/lighting-app/qpg/zap/light.matter b/examples/lighting-app/qpg/zap/light.matter
index d2b1ce9..b1b05de 100644
--- a/examples/lighting-app/qpg/zap/light.matter
+++ b/examples/lighting-app/qpg/zap/light.matter
@@ -1923,7 +1923,7 @@
     callback attribute acceptedCommandList;
     callback attribute attributeList;
     ram      attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute clusterRevision;
   }
 
   server cluster AccessControl {
@@ -1931,32 +1931,32 @@
     emits event AccessControlExtensionChanged;
     callback attribute acl;
     callback attribute extension;
-    callback attribute subjectsPerAccessControlEntry default = 4;
-    callback attribute targetsPerAccessControlEntry default = 3;
-    callback attribute accessControlEntriesPerFabric default = 4;
+    callback attribute subjectsPerAccessControlEntry;
+    callback attribute targetsPerAccessControlEntry;
+    callback attribute accessControlEntriesPerFabric;
     callback attribute generatedCommandList;
     callback attribute acceptedCommandList;
     callback attribute attributeList;
     ram      attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute clusterRevision;
   }
 
   server cluster BasicInformation {
     emits event StartUp;
     emits event ShutDown;
     emits event Leave;
-    callback attribute dataModelRevision default = 10;
+    callback attribute dataModelRevision;
     callback attribute vendorName;
     callback attribute vendorID;
     callback attribute productName;
     callback attribute productID;
     persist  attribute nodeLabel;
-    callback attribute location default = "XX";
-    callback attribute hardwareVersion default = 0;
+    callback attribute location;
+    callback attribute hardwareVersion;
     callback attribute hardwareVersionString;
-    callback attribute softwareVersion default = 0;
+    callback attribute softwareVersion;
     callback attribute softwareVersionString;
-    callback attribute manufacturingDate default = "20210614123456ZZ";
+    callback attribute manufacturingDate;
     callback attribute partNumber;
     callback attribute productURL;
     callback attribute productLabel;
@@ -1977,7 +1977,7 @@
     emits event StateTransition;
     emits event VersionApplied;
     emits event DownloadError;
-    callback attribute defaultOTAProviders default = 0;
+    callback attribute defaultOTAProviders;
     ram      attribute updatePossible default = 1;
     ram      attribute updateState default = 0;
     ram      attribute updateStateProgress default = 0;
@@ -1993,9 +1993,9 @@
   server cluster GeneralCommissioning {
     ram      attribute breadcrumb default = 0x0000000000000000;
     callback attribute basicCommissioningInfo;
-    callback attribute regulatoryConfig default = 0;
-    callback attribute locationCapability default = 0;
-    callback attribute supportsConcurrentConnection default = 1;
+    callback attribute regulatoryConfig;
+    callback attribute locationCapability;
+    callback attribute supportsConcurrentConnection;
     callback attribute generatedCommandList;
     callback attribute acceptedCommandList;
     callback attribute attributeList;
@@ -2052,8 +2052,8 @@
     emits event NetworkFaultChange;
     emits event BootReason;
     callback attribute networkInterfaces;
-    callback attribute rebootCount default = 0x0000;
-    callback attribute upTime default = 0x0000000000000000;
+    callback attribute rebootCount;
+    callback attribute upTime;
     callback attribute bootReason;
     callback attribute activeHardwareFaults;
     callback attribute activeRadioFaults;
@@ -2072,13 +2072,13 @@
 
   server cluster SoftwareDiagnostics {
     callback attribute threadMetrics;
-    callback attribute currentHeapFree default = 0x0000000000000000;
-    callback attribute currentHeapUsed default = 0x0000000000000000;
-    callback attribute currentHeapHighWatermark default = 0x0000000000000000;
+    callback attribute currentHeapFree;
+    callback attribute currentHeapUsed;
+    callback attribute currentHeapHighWatermark;
     callback attribute generatedCommandList;
     callback attribute acceptedCommandList;
     callback attribute attributeList;
-    callback attribute featureMap default = 1;
+    callback attribute featureMap;
     ram      attribute clusterRevision default = 1;
 
     handle command ResetWatermarks;
@@ -2087,11 +2087,11 @@
   server cluster ThreadNetworkDiagnostics {
     callback attribute channel;
     callback attribute routingRole;
-    callback attribute networkName default = "0";
-    callback attribute panId default = 0x0000;
-    callback attribute extendedPanId default = 0x0000000000000000;
+    callback attribute networkName;
+    callback attribute panId;
+    callback attribute extendedPanId;
     callback attribute meshLocalPrefix;
-    callback attribute overrunCount default = 0x0000000000000000;
+    callback attribute overrunCount;
     callback attribute neighborTable;
     callback attribute routeTable;
     callback attribute partitionId;
@@ -2099,50 +2099,50 @@
     callback attribute dataVersion;
     callback attribute stableDataVersion;
     callback attribute leaderRouterId;
-    callback attribute detachedRoleCount default = 0x0000;
-    callback attribute childRoleCount default = 0x0000;
-    callback attribute routerRoleCount default = 0x0000;
-    callback attribute leaderRoleCount default = 0x0000;
-    callback attribute attachAttemptCount default = 0x0000;
-    callback attribute partitionIdChangeCount default = 0x0000;
-    callback attribute betterPartitionAttachAttemptCount default = 0x0000;
-    callback attribute parentChangeCount default = 0x0000;
-    callback attribute txTotalCount default = 0x0000;
-    callback attribute txUnicastCount default = 0x0000;
-    callback attribute txBroadcastCount default = 0x0000;
-    callback attribute txAckRequestedCount default = 0x0000;
-    callback attribute txAckedCount default = 0x0000;
-    callback attribute txNoAckRequestedCount default = 0x0000;
-    callback attribute txDataCount default = 0x0000;
-    callback attribute txDataPollCount default = 0x0000;
-    callback attribute txBeaconCount default = 0x0000;
-    callback attribute txBeaconRequestCount default = 0x0000;
-    callback attribute txOtherCount default = 0x0000;
-    callback attribute txRetryCount default = 0x0000;
-    callback attribute txDirectMaxRetryExpiryCount default = 0x0000;
-    callback attribute txIndirectMaxRetryExpiryCount default = 0x0000;
-    callback attribute txErrCcaCount default = 0x0000;
-    callback attribute txErrAbortCount default = 0x0000;
-    callback attribute txErrBusyChannelCount default = 0x0000;
-    callback attribute rxTotalCount default = 0x0000;
-    callback attribute rxUnicastCount default = 0x0000;
-    callback attribute rxBroadcastCount default = 0x0000;
-    callback attribute rxDataCount default = 0x0000;
-    callback attribute rxDataPollCount default = 0x0000;
-    callback attribute rxBeaconCount default = 0x0000;
-    callback attribute rxBeaconRequestCount default = 0x0000;
-    callback attribute rxOtherCount default = 0x0000;
-    callback attribute rxAddressFilteredCount default = 0x0000;
-    callback attribute rxDestAddrFilteredCount default = 0x0000;
-    callback attribute rxDuplicatedCount default = 0x0000;
-    callback attribute rxErrNoFrameCount default = 0x0000;
-    callback attribute rxErrUnknownNeighborCount default = 0x0000;
-    callback attribute rxErrInvalidSrcAddrCount default = 0x0000;
-    callback attribute rxErrSecCount default = 0x0000;
-    callback attribute rxErrFcsCount default = 0x0000;
-    callback attribute rxErrOtherCount default = 0x0000;
+    callback attribute detachedRoleCount;
+    callback attribute childRoleCount;
+    callback attribute routerRoleCount;
+    callback attribute leaderRoleCount;
+    callback attribute attachAttemptCount;
+    callback attribute partitionIdChangeCount;
+    callback attribute betterPartitionAttachAttemptCount;
+    callback attribute parentChangeCount;
+    callback attribute txTotalCount;
+    callback attribute txUnicastCount;
+    callback attribute txBroadcastCount;
+    callback attribute txAckRequestedCount;
+    callback attribute txAckedCount;
+    callback attribute txNoAckRequestedCount;
+    callback attribute txDataCount;
+    callback attribute txDataPollCount;
+    callback attribute txBeaconCount;
+    callback attribute txBeaconRequestCount;
+    callback attribute txOtherCount;
+    callback attribute txRetryCount;
+    callback attribute txDirectMaxRetryExpiryCount;
+    callback attribute txIndirectMaxRetryExpiryCount;
+    callback attribute txErrCcaCount;
+    callback attribute txErrAbortCount;
+    callback attribute txErrBusyChannelCount;
+    callback attribute rxTotalCount;
+    callback attribute rxUnicastCount;
+    callback attribute rxBroadcastCount;
+    callback attribute rxDataCount;
+    callback attribute rxDataPollCount;
+    callback attribute rxBeaconCount;
+    callback attribute rxBeaconRequestCount;
+    callback attribute rxOtherCount;
+    callback attribute rxAddressFilteredCount;
+    callback attribute rxDestAddrFilteredCount;
+    callback attribute rxDuplicatedCount;
+    callback attribute rxErrNoFrameCount;
+    callback attribute rxErrUnknownNeighborCount;
+    callback attribute rxErrInvalidSrcAddrCount;
+    callback attribute rxErrSecCount;
+    callback attribute rxErrFcsCount;
+    callback attribute rxErrOtherCount;
     callback attribute securityPolicy;
-    callback attribute channelPage0Mask default = "0x0000";
+    callback attribute channelPage0Mask;
     callback attribute operationalDatasetComponents;
     callback attribute activeNetworkFaultsList;
     callback attribute generatedCommandList;
@@ -2155,9 +2155,9 @@
   }
 
   server cluster AdministratorCommissioning {
-    callback attribute windowStatus default = 0;
-    callback attribute adminFabricIndex default = 1;
-    callback attribute adminVendorId default = 0;
+    callback attribute windowStatus;
+    callback attribute adminFabricIndex;
+    callback attribute adminVendorId;
     callback attribute generatedCommandList;
     callback attribute acceptedCommandList;
     callback attribute attributeList;
@@ -2204,8 +2204,8 @@
     callback attribute generatedCommandList;
     callback attribute acceptedCommandList;
     callback attribute attributeList;
-    callback attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute featureMap;
+    callback attribute clusterRevision;
 
     handle command KeySetWrite;
     handle command KeySetRead;
@@ -2323,7 +2323,7 @@
     callback attribute acceptedCommandList;
     callback attribute attributeList;
     ram      attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute clusterRevision;
   }
 
   server cluster ColorControl {
diff --git a/examples/lighting-app/qpg/zap/light.zap b/examples/lighting-app/qpg/zap/light.zap
index 6c9dc0f..2c881ce 100644
--- a/examples/lighting-app/qpg/zap/light.zap
+++ b/examples/lighting-app/qpg/zap/light.zap
@@ -78,7 +78,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -94,7 +94,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -110,7 +110,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -126,7 +126,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -142,7 +142,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -158,7 +158,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -174,7 +174,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -206,7 +206,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -232,7 +232,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -248,7 +248,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -264,7 +264,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "4",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -280,7 +280,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "3",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -296,7 +296,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "4",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -312,7 +312,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -328,7 +328,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -344,7 +344,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -376,7 +376,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -418,7 +418,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "10",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -434,7 +434,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -450,7 +450,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -466,7 +466,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -482,7 +482,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -514,7 +514,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "XX",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -530,7 +530,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -546,7 +546,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -562,7 +562,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -578,7 +578,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -594,7 +594,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "20210614123456ZZ",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -610,7 +610,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -626,7 +626,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -642,7 +642,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -658,7 +658,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -690,7 +690,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -706,7 +706,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -722,7 +722,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -738,7 +738,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -754,7 +754,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -770,7 +770,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -786,7 +786,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -961,7 +961,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1025,7 +1025,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1041,7 +1041,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1057,7 +1057,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1204,7 +1204,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1220,7 +1220,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1236,7 +1236,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1252,7 +1252,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1268,7 +1268,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1284,7 +1284,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1300,7 +1300,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1440,7 +1440,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1552,7 +1552,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1568,7 +1568,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1584,7 +1584,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1660,7 +1660,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1676,7 +1676,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1692,7 +1692,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1776,7 +1776,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1792,7 +1792,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1808,7 +1808,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1824,7 +1824,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1840,7 +1840,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1856,7 +1856,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1872,7 +1872,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1904,7 +1904,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1920,7 +1920,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1936,7 +1936,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2034,7 +2034,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2050,7 +2050,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2066,7 +2066,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2082,7 +2082,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2098,7 +2098,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2114,7 +2114,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2130,7 +2130,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2146,7 +2146,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2198,7 +2198,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2214,7 +2214,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2230,7 +2230,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2246,7 +2246,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2262,7 +2262,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2278,7 +2278,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2294,7 +2294,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2310,7 +2310,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2326,7 +2326,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2342,7 +2342,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2358,7 +2358,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2374,7 +2374,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2390,7 +2390,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2406,7 +2406,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2422,7 +2422,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2438,7 +2438,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2454,7 +2454,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2470,7 +2470,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2486,7 +2486,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2502,7 +2502,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2518,7 +2518,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2534,7 +2534,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2550,7 +2550,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2566,7 +2566,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2582,7 +2582,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2598,7 +2598,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2614,7 +2614,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2630,7 +2630,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2646,7 +2646,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2662,7 +2662,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2678,7 +2678,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2694,7 +2694,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2710,7 +2710,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2726,7 +2726,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2742,7 +2742,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2758,7 +2758,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2774,7 +2774,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2790,7 +2790,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2806,7 +2806,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2822,7 +2822,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2838,7 +2838,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2854,7 +2854,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2870,7 +2870,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2886,7 +2886,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2902,7 +2902,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2918,7 +2918,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2934,7 +2934,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2950,7 +2950,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2966,7 +2966,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2982,7 +2982,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2998,7 +2998,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3014,7 +3014,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3030,7 +3030,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3046,7 +3046,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3062,7 +3062,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3078,7 +3078,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3094,7 +3094,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3110,7 +3110,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3126,7 +3126,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3142,7 +3142,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3158,7 +3158,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3174,7 +3174,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3190,7 +3190,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3274,7 +3274,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3290,7 +3290,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3306,7 +3306,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3322,7 +3322,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3338,7 +3338,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3354,7 +3354,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3510,7 +3510,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3526,7 +3526,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3542,7 +3542,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3558,7 +3558,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3574,7 +3574,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3590,7 +3590,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3606,7 +3606,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3622,7 +3622,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3638,7 +3638,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3746,7 +3746,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3762,7 +3762,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3778,7 +3778,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3794,7 +3794,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3810,7 +3810,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3826,7 +3826,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3842,7 +3842,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3858,7 +3858,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3874,7 +3874,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3900,7 +3900,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3916,7 +3916,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3932,7 +3932,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3948,7 +3948,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4006,7 +4006,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4022,7 +4022,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4038,7 +4038,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4054,7 +4054,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4191,7 +4191,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4207,7 +4207,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4223,7 +4223,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4379,7 +4379,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4395,7 +4395,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4411,7 +4411,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4599,7 +4599,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4615,7 +4615,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4631,7 +4631,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4867,7 +4867,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4883,7 +4883,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4899,7 +4899,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4957,7 +4957,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4973,7 +4973,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4989,7 +4989,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5005,7 +5005,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5021,7 +5021,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5037,7 +5037,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5053,7 +5053,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5085,7 +5085,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5889,7 +5889,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5905,7 +5905,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5921,7 +5921,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5979,6 +5979,5 @@
       "endpointId": 1,
       "networkId": 0
     }
-  ],
-  "log": []
+  ]
 }
\ No newline at end of file
diff --git a/examples/lighting-app/silabs/data_model/lighting-thread-app.matter b/examples/lighting-app/silabs/data_model/lighting-thread-app.matter
index a3d41f2..1dba6f8 100644
--- a/examples/lighting-app/silabs/data_model/lighting-thread-app.matter
+++ b/examples/lighting-app/silabs/data_model/lighting-thread-app.matter
@@ -2431,7 +2431,7 @@
     callback attribute clientList;
     callback attribute partsList;
     ram      attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute clusterRevision;
   }
 
   server cluster AccessControl {
@@ -2439,27 +2439,27 @@
     emits event AccessControlExtensionChanged;
     callback attribute acl;
     callback attribute extension;
-    callback attribute subjectsPerAccessControlEntry default = 4;
-    callback attribute targetsPerAccessControlEntry default = 3;
-    callback attribute accessControlEntriesPerFabric default = 4;
+    callback attribute subjectsPerAccessControlEntry;
+    callback attribute targetsPerAccessControlEntry;
+    callback attribute accessControlEntriesPerFabric;
     callback attribute attributeList;
     ram      attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute clusterRevision;
   }
 
   server cluster BasicInformation {
-    callback attribute dataModelRevision default = 10;
+    callback attribute dataModelRevision;
     callback attribute vendorName;
     callback attribute vendorID;
     callback attribute productName;
     callback attribute productID;
     persist  attribute nodeLabel;
-    callback attribute location default = "XX";
-    callback attribute hardwareVersion default = 0;
+    callback attribute location;
+    callback attribute hardwareVersion;
     callback attribute hardwareVersionString;
-    callback attribute softwareVersion default = 0;
+    callback attribute softwareVersion;
     callback attribute softwareVersionString;
-    callback attribute manufacturingDate default = "20210614123456ZZ";
+    callback attribute manufacturingDate;
     callback attribute partNumber;
     callback attribute productURL;
     callback attribute productLabel;
@@ -2474,7 +2474,7 @@
   }
 
   server cluster OtaSoftwareUpdateRequestor {
-    callback attribute defaultOTAProviders default = 0;
+    callback attribute defaultOTAProviders;
     ram      attribute updatePossible default = 1;
     ram      attribute updateState default = 0;
     ram      attribute updateStateProgress default = 0;
@@ -2502,9 +2502,9 @@
   server cluster GeneralCommissioning {
     ram      attribute breadcrumb default = 0x0000000000000000;
     callback attribute basicCommissioningInfo;
-    callback attribute regulatoryConfig default = 0;
-    callback attribute locationCapability default = 0;
-    callback attribute supportsConcurrentConnection default = 1;
+    callback attribute regulatoryConfig;
+    callback attribute locationCapability;
+    callback attribute supportsConcurrentConnection;
     ram      attribute featureMap default = 0;
     ram      attribute clusterRevision default = 1;
 
@@ -2551,9 +2551,9 @@
   server cluster GeneralDiagnostics {
     emits event BootReason;
     callback attribute networkInterfaces;
-    callback attribute rebootCount default = 0x0000;
-    callback attribute upTime default = 0x0000000000000000;
-    callback attribute totalOperationalHours default = 0x00000000;
+    callback attribute rebootCount;
+    callback attribute upTime;
+    callback attribute totalOperationalHours;
     callback attribute bootReason;
     callback attribute activeHardwareFaults;
     callback attribute activeRadioFaults;
@@ -2570,10 +2570,10 @@
   server cluster SoftwareDiagnostics {
     emits event SoftwareFault;
     callback attribute threadMetrics;
-    callback attribute currentHeapFree default = 0x0000000000000000;
-    callback attribute currentHeapUsed default = 0x0000000000000000;
-    callback attribute currentHeapHighWatermark default = 0x0000000000000000;
-    callback attribute featureMap default = 1;
+    callback attribute currentHeapFree;
+    callback attribute currentHeapUsed;
+    callback attribute currentHeapHighWatermark;
+    callback attribute featureMap;
     ram      attribute clusterRevision default = 1;
 
     handle command ResetWatermarks;
@@ -2582,11 +2582,11 @@
   server cluster ThreadNetworkDiagnostics {
     callback attribute channel;
     callback attribute routingRole;
-    callback attribute networkName default = "0";
-    callback attribute panId default = 0x0000;
-    callback attribute extendedPanId default = 0x0000000000000000;
+    callback attribute networkName;
+    callback attribute panId;
+    callback attribute extendedPanId;
     callback attribute meshLocalPrefix;
-    callback attribute overrunCount default = 0x0000000000000000;
+    callback attribute overrunCount;
     callback attribute neighborTable;
     callback attribute routeTable;
     callback attribute partitionId;
@@ -2594,53 +2594,53 @@
     callback attribute dataVersion;
     callback attribute stableDataVersion;
     callback attribute leaderRouterId;
-    callback attribute detachedRoleCount default = 0x0000;
-    callback attribute childRoleCount default = 0x0000;
-    callback attribute routerRoleCount default = 0x0000;
-    callback attribute leaderRoleCount default = 0x0000;
-    callback attribute attachAttemptCount default = 0x0000;
-    callback attribute partitionIdChangeCount default = 0x0000;
-    callback attribute betterPartitionAttachAttemptCount default = 0x0000;
-    callback attribute parentChangeCount default = 0x0000;
-    callback attribute txTotalCount default = 0x0000;
-    callback attribute txUnicastCount default = 0x0000;
-    callback attribute txBroadcastCount default = 0x0000;
-    callback attribute txAckRequestedCount default = 0x0000;
-    callback attribute txAckedCount default = 0x0000;
-    callback attribute txNoAckRequestedCount default = 0x0000;
-    callback attribute txDataCount default = 0x0000;
-    callback attribute txDataPollCount default = 0x0000;
-    callback attribute txBeaconCount default = 0x0000;
-    callback attribute txBeaconRequestCount default = 0x0000;
-    callback attribute txOtherCount default = 0x0000;
-    callback attribute txRetryCount default = 0x0000;
-    callback attribute txDirectMaxRetryExpiryCount default = 0x0000;
-    callback attribute txIndirectMaxRetryExpiryCount default = 0x0000;
-    callback attribute txErrCcaCount default = 0x0000;
-    callback attribute txErrAbortCount default = 0x0000;
-    callback attribute txErrBusyChannelCount default = 0x0000;
-    callback attribute rxTotalCount default = 0x0000;
-    callback attribute rxUnicastCount default = 0x0000;
-    callback attribute rxBroadcastCount default = 0x0000;
-    callback attribute rxDataCount default = 0x0000;
-    callback attribute rxDataPollCount default = 0x0000;
-    callback attribute rxBeaconCount default = 0x0000;
-    callback attribute rxBeaconRequestCount default = 0x0000;
-    callback attribute rxOtherCount default = 0x0000;
-    callback attribute rxAddressFilteredCount default = 0x0000;
-    callback attribute rxDestAddrFilteredCount default = 0x0000;
-    callback attribute rxDuplicatedCount default = 0x0000;
-    callback attribute rxErrNoFrameCount default = 0x0000;
-    callback attribute rxErrUnknownNeighborCount default = 0x0000;
-    callback attribute rxErrInvalidSrcAddrCount default = 0x0000;
-    callback attribute rxErrSecCount default = 0x0000;
-    callback attribute rxErrFcsCount default = 0x0000;
-    callback attribute rxErrOtherCount default = 0x0000;
-    callback attribute activeTimestamp default = 0x0000000000000000;
-    callback attribute pendingTimestamp default = 0x0000000000000000;
-    callback attribute delay default = 0x0000;
+    callback attribute detachedRoleCount;
+    callback attribute childRoleCount;
+    callback attribute routerRoleCount;
+    callback attribute leaderRoleCount;
+    callback attribute attachAttemptCount;
+    callback attribute partitionIdChangeCount;
+    callback attribute betterPartitionAttachAttemptCount;
+    callback attribute parentChangeCount;
+    callback attribute txTotalCount;
+    callback attribute txUnicastCount;
+    callback attribute txBroadcastCount;
+    callback attribute txAckRequestedCount;
+    callback attribute txAckedCount;
+    callback attribute txNoAckRequestedCount;
+    callback attribute txDataCount;
+    callback attribute txDataPollCount;
+    callback attribute txBeaconCount;
+    callback attribute txBeaconRequestCount;
+    callback attribute txOtherCount;
+    callback attribute txRetryCount;
+    callback attribute txDirectMaxRetryExpiryCount;
+    callback attribute txIndirectMaxRetryExpiryCount;
+    callback attribute txErrCcaCount;
+    callback attribute txErrAbortCount;
+    callback attribute txErrBusyChannelCount;
+    callback attribute rxTotalCount;
+    callback attribute rxUnicastCount;
+    callback attribute rxBroadcastCount;
+    callback attribute rxDataCount;
+    callback attribute rxDataPollCount;
+    callback attribute rxBeaconCount;
+    callback attribute rxBeaconRequestCount;
+    callback attribute rxOtherCount;
+    callback attribute rxAddressFilteredCount;
+    callback attribute rxDestAddrFilteredCount;
+    callback attribute rxDuplicatedCount;
+    callback attribute rxErrNoFrameCount;
+    callback attribute rxErrUnknownNeighborCount;
+    callback attribute rxErrInvalidSrcAddrCount;
+    callback attribute rxErrSecCount;
+    callback attribute rxErrFcsCount;
+    callback attribute rxErrOtherCount;
+    callback attribute activeTimestamp;
+    callback attribute pendingTimestamp;
+    callback attribute delay;
     callback attribute securityPolicy;
-    callback attribute channelPage0Mask default = "0x0000";
+    callback attribute channelPage0Mask;
     callback attribute operationalDatasetComponents;
     callback attribute activeNetworkFaultsList;
     ram      attribute featureMap default = 0x000F;
@@ -2650,9 +2650,9 @@
   }
 
   server cluster AdministratorCommissioning {
-    callback attribute windowStatus default = 0;
-    callback attribute adminFabricIndex default = 1;
-    callback attribute adminVendorId default = 0;
+    callback attribute windowStatus;
+    callback attribute adminFabricIndex;
+    callback attribute adminVendorId;
     ram      attribute featureMap default = 0;
     ram      attribute clusterRevision default = 1;
 
@@ -2690,8 +2690,8 @@
     callback attribute groupTable;
     callback attribute maxGroupsPerFabric;
     callback attribute maxGroupKeysPerFabric;
-    callback attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute featureMap;
+    callback attribute clusterRevision;
 
     handle command KeySetWrite;
     handle command KeySetRead;
@@ -2849,7 +2849,7 @@
     callback attribute eventList;
     callback attribute attributeList;
     ram      attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute clusterRevision;
   }
 
   server cluster PowerSource {
diff --git a/examples/lighting-app/silabs/data_model/lighting-thread-app.zap b/examples/lighting-app/silabs/data_model/lighting-thread-app.zap
index dc69ec2..23c5075 100644
--- a/examples/lighting-app/silabs/data_model/lighting-thread-app.zap
+++ b/examples/lighting-app/silabs/data_model/lighting-thread-app.zap
@@ -78,7 +78,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -94,7 +94,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -110,7 +110,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -126,7 +126,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -158,7 +158,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -184,7 +184,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -200,7 +200,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -216,7 +216,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "4",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -232,7 +232,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "3",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -248,7 +248,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "4",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -264,7 +264,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -296,7 +296,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -338,7 +338,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "10",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -354,7 +354,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -370,7 +370,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -386,7 +386,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -402,7 +402,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -434,7 +434,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "XX",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -450,7 +450,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -466,7 +466,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -482,7 +482,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -498,7 +498,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -514,7 +514,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "20210614123456ZZ",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -530,7 +530,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -546,7 +546,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -562,7 +562,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -578,7 +578,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -610,7 +610,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -626,7 +626,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -642,7 +642,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -658,7 +658,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -794,7 +794,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -916,7 +916,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1006,7 +1006,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1130,7 +1130,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1146,7 +1146,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1162,7 +1162,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1178,7 +1178,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1326,7 +1326,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1590,7 +1590,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1606,7 +1606,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1622,7 +1622,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1638,7 +1638,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1654,7 +1654,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1670,7 +1670,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1686,7 +1686,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1702,7 +1702,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1795,7 +1795,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1811,7 +1811,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1827,7 +1827,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1843,7 +1843,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1859,7 +1859,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1920,7 +1920,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1936,7 +1936,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1952,7 +1952,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1968,7 +1968,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1984,7 +1984,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2000,7 +2000,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2016,7 +2016,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2032,7 +2032,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2048,7 +2048,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2064,7 +2064,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2080,7 +2080,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2096,7 +2096,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2112,7 +2112,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2128,7 +2128,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2144,7 +2144,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2160,7 +2160,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2176,7 +2176,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2192,7 +2192,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2208,7 +2208,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2224,7 +2224,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2240,7 +2240,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2256,7 +2256,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2272,7 +2272,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2288,7 +2288,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2304,7 +2304,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2320,7 +2320,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2336,7 +2336,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2352,7 +2352,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2368,7 +2368,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2384,7 +2384,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2400,7 +2400,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2416,7 +2416,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2432,7 +2432,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2448,7 +2448,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2464,7 +2464,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2480,7 +2480,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2496,7 +2496,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2512,7 +2512,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2528,7 +2528,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2544,7 +2544,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2560,7 +2560,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2576,7 +2576,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2592,7 +2592,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2608,7 +2608,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2624,7 +2624,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2640,7 +2640,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2656,7 +2656,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2672,7 +2672,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2688,7 +2688,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2704,7 +2704,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2720,7 +2720,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2736,7 +2736,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2752,7 +2752,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2768,7 +2768,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2784,7 +2784,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2800,7 +2800,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2816,7 +2816,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2832,7 +2832,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2848,7 +2848,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2864,7 +2864,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2880,7 +2880,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2896,7 +2896,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2912,7 +2912,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2996,7 +2996,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3012,7 +3012,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3028,7 +3028,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3184,7 +3184,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3200,7 +3200,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3216,7 +3216,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3232,7 +3232,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3248,7 +3248,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -3264,7 +3264,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3372,7 +3372,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3388,7 +3388,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3404,7 +3404,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3420,7 +3420,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3436,7 +3436,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3452,7 +3452,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3478,7 +3478,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3536,7 +3536,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3681,7 +3681,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3697,7 +3697,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3713,7 +3713,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3729,7 +3729,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3885,7 +3885,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3901,7 +3901,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3917,7 +3917,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3933,7 +3933,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4191,10 +4191,10 @@
               "side": "server",
               "type": "array",
               "included": 1,
-              "storageOption": "RAM",
+              "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4210,7 +4210,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4226,7 +4226,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4242,7 +4242,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4258,7 +4258,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4446,7 +4446,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4462,7 +4462,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4478,7 +4478,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4494,7 +4494,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4842,7 +4842,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4858,7 +4858,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4874,7 +4874,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4890,7 +4890,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4948,7 +4948,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4964,7 +4964,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4980,7 +4980,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4996,7 +4996,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5012,7 +5012,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5028,7 +5028,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5044,7 +5044,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5060,7 +5060,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5092,7 +5092,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5278,7 +5278,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5294,7 +5294,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5310,7 +5310,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5326,7 +5326,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5342,7 +5342,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5933,4 +5933,4 @@
       "networkId": 0
     }
   ]
-}
+}
\ No newline at end of file
diff --git a/examples/lighting-app/silabs/data_model/lighting-wifi-app.matter b/examples/lighting-app/silabs/data_model/lighting-wifi-app.matter
index b120ea8..f2dfca3 100644
--- a/examples/lighting-app/silabs/data_model/lighting-wifi-app.matter
+++ b/examples/lighting-app/silabs/data_model/lighting-wifi-app.matter
@@ -2342,7 +2342,7 @@
     callback attribute clientList;
     callback attribute partsList;
     ram      attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute clusterRevision;
   }
 
   server cluster AccessControl {
@@ -2350,27 +2350,27 @@
     emits event AccessControlExtensionChanged;
     callback attribute acl;
     callback attribute extension;
-    callback attribute subjectsPerAccessControlEntry default = 4;
-    callback attribute targetsPerAccessControlEntry default = 3;
-    callback attribute accessControlEntriesPerFabric default = 4;
+    callback attribute subjectsPerAccessControlEntry;
+    callback attribute targetsPerAccessControlEntry;
+    callback attribute accessControlEntriesPerFabric;
     callback attribute attributeList;
     ram      attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute clusterRevision;
   }
 
   server cluster BasicInformation {
-    callback attribute dataModelRevision default = 10;
+    callback attribute dataModelRevision;
     callback attribute vendorName;
     callback attribute vendorID;
     callback attribute productName;
     callback attribute productID;
     persist  attribute nodeLabel;
-    callback attribute location default = "XX";
-    callback attribute hardwareVersion default = 0;
+    callback attribute location;
+    callback attribute hardwareVersion;
     callback attribute hardwareVersionString;
-    callback attribute softwareVersion default = 0;
+    callback attribute softwareVersion;
     callback attribute softwareVersionString;
-    callback attribute manufacturingDate default = "20210614123456ZZ";
+    callback attribute manufacturingDate;
     callback attribute partNumber;
     callback attribute productURL;
     callback attribute productLabel;
@@ -2385,7 +2385,7 @@
   }
 
   server cluster OtaSoftwareUpdateRequestor {
-    callback attribute defaultOTAProviders default = 0;
+    callback attribute defaultOTAProviders;
     ram      attribute updatePossible default = 1;
     ram      attribute updateState default = 0;
     ram      attribute updateStateProgress default = 0;
@@ -2413,9 +2413,9 @@
   server cluster GeneralCommissioning {
     ram      attribute breadcrumb default = 0x0000000000000000;
     callback attribute basicCommissioningInfo;
-    callback attribute regulatoryConfig default = 0;
-    callback attribute locationCapability default = 0;
-    callback attribute supportsConcurrentConnection default = 1;
+    callback attribute regulatoryConfig;
+    callback attribute locationCapability;
+    callback attribute supportsConcurrentConnection;
     ram      attribute featureMap default = 0;
     ram      attribute clusterRevision default = 1;
 
@@ -2460,9 +2460,9 @@
   server cluster GeneralDiagnostics {
     emits event BootReason;
     callback attribute networkInterfaces;
-    callback attribute rebootCount default = 0x0000;
-    callback attribute upTime default = 0x0000000000000000;
-    callback attribute totalOperationalHours default = 0x00000000;
+    callback attribute rebootCount;
+    callback attribute upTime;
+    callback attribute totalOperationalHours;
     callback attribute bootReason;
     callback attribute activeHardwareFaults;
     callback attribute activeRadioFaults;
@@ -2479,10 +2479,10 @@
   server cluster SoftwareDiagnostics {
     emits event SoftwareFault;
     callback attribute threadMetrics;
-    callback attribute currentHeapFree default = 0x0000000000000000;
-    callback attribute currentHeapUsed default = 0x0000000000000000;
-    callback attribute currentHeapHighWatermark default = 0x0000000000000000;
-    callback attribute featureMap default = 1;
+    callback attribute currentHeapFree;
+    callback attribute currentHeapUsed;
+    callback attribute currentHeapHighWatermark;
+    callback attribute featureMap;
     ram      attribute clusterRevision default = 1;
 
     handle command ResetWatermarks;
@@ -2492,16 +2492,16 @@
     callback attribute bssid;
     callback attribute securityType;
     callback attribute wiFiVersion;
-    callback attribute channelNumber default = 0x0000;
-    callback attribute rssi default = 0x00;
-    callback attribute beaconLostCount default = 0x00000000;
-    callback attribute beaconRxCount default = 0x00000000;
-    callback attribute packetMulticastRxCount default = 0x00000000;
-    callback attribute packetMulticastTxCount default = 0x00000000;
-    callback attribute packetUnicastRxCount default = 0x00000000;
-    callback attribute packetUnicastTxCount default = 0x00000000;
-    callback attribute currentMaxRate default = 0x0000000000000000;
-    callback attribute overrunCount default = 0x0000000000000000;
+    callback attribute channelNumber;
+    callback attribute rssi;
+    callback attribute beaconLostCount;
+    callback attribute beaconRxCount;
+    callback attribute packetMulticastRxCount;
+    callback attribute packetMulticastTxCount;
+    callback attribute packetUnicastRxCount;
+    callback attribute packetUnicastTxCount;
+    callback attribute currentMaxRate;
+    callback attribute overrunCount;
     ram      attribute featureMap default = 3;
     ram      attribute clusterRevision default = 1;
 
@@ -2509,9 +2509,9 @@
   }
 
   server cluster AdministratorCommissioning {
-    callback attribute windowStatus default = 0;
-    callback attribute adminFabricIndex default = 1;
-    callback attribute adminVendorId default = 0;
+    callback attribute windowStatus;
+    callback attribute adminFabricIndex;
+    callback attribute adminVendorId;
     ram      attribute featureMap default = 0;
     ram      attribute clusterRevision default = 1;
 
@@ -2549,8 +2549,8 @@
     callback attribute groupTable;
     callback attribute maxGroupsPerFabric;
     callback attribute maxGroupKeysPerFabric;
-    callback attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute featureMap;
+    callback attribute clusterRevision;
 
     handle command KeySetWrite;
     handle command KeySetRead;
@@ -2705,7 +2705,7 @@
     callback attribute eventList;
     callback attribute attributeList;
     ram      attribute featureMap default = 0;
-    callback attribute clusterRevision default = 1;
+    callback attribute clusterRevision;
   }
 
   server cluster PowerSource {
diff --git a/examples/lighting-app/silabs/data_model/lighting-wifi-app.zap b/examples/lighting-app/silabs/data_model/lighting-wifi-app.zap
index 93b568a..768952d 100644
--- a/examples/lighting-app/silabs/data_model/lighting-wifi-app.zap
+++ b/examples/lighting-app/silabs/data_model/lighting-wifi-app.zap
@@ -78,7 +78,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -94,7 +94,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -110,7 +110,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -126,7 +126,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -158,7 +158,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -184,7 +184,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -200,7 +200,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -216,7 +216,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "4",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -232,7 +232,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "3",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -248,7 +248,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "4",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -264,7 +264,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -296,7 +296,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -338,7 +338,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "10",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -354,7 +354,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -370,7 +370,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -386,7 +386,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -402,7 +402,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -434,7 +434,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "XX",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -450,7 +450,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -466,7 +466,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -482,7 +482,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -498,7 +498,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -514,7 +514,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "20210614123456ZZ",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -530,7 +530,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -546,7 +546,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -562,7 +562,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -578,7 +578,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -610,7 +610,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -626,7 +626,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -642,7 +642,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -658,7 +658,7 @@
               "storageOption": "External",
               "singleton": 1,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -794,7 +794,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -916,7 +916,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1006,7 +1006,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1130,7 +1130,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1146,7 +1146,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1162,7 +1162,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1178,7 +1178,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1326,7 +1326,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1558,7 +1558,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1574,7 +1574,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1590,7 +1590,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1606,7 +1606,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1622,7 +1622,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1638,7 +1638,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1654,7 +1654,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1670,7 +1670,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1763,7 +1763,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1779,7 +1779,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1795,7 +1795,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1811,7 +1811,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1827,7 +1827,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1888,7 +1888,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1904,7 +1904,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1920,7 +1920,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1936,7 +1936,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1952,7 +1952,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -1968,7 +1968,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -1984,7 +1984,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2000,7 +2000,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2016,7 +2016,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2032,7 +2032,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2048,7 +2048,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x00000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2064,7 +2064,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2080,7 +2080,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0x0000000000000000",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2164,7 +2164,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2180,7 +2180,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2196,7 +2196,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2352,7 +2352,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2368,7 +2368,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2384,7 +2384,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2400,7 +2400,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2416,7 +2416,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 0,
               "maxInterval": 65344,
@@ -2432,7 +2432,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2540,7 +2540,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2556,7 +2556,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2572,7 +2572,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2588,7 +2588,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2604,7 +2604,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "0",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2620,7 +2620,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2646,7 +2646,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2704,7 +2704,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2849,7 +2849,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2865,7 +2865,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2881,7 +2881,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -2897,7 +2897,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3053,7 +3053,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3069,7 +3069,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3085,7 +3085,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3101,7 +3101,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3335,10 +3335,10 @@
               "side": "server",
               "type": "array",
               "included": 1,
-              "storageOption": "RAM",
+              "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3354,7 +3354,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3370,7 +3370,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3386,7 +3386,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3402,7 +3402,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3590,7 +3590,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3606,7 +3606,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3622,7 +3622,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3638,7 +3638,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -3986,7 +3986,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4002,7 +4002,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4018,7 +4018,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4034,7 +4034,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4092,7 +4092,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4108,7 +4108,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4124,7 +4124,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4140,7 +4140,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4156,7 +4156,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4172,7 +4172,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4188,7 +4188,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4204,7 +4204,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4236,7 +4236,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "1",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4422,7 +4422,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4438,7 +4438,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4454,7 +4454,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4470,7 +4470,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -4486,7 +4486,7 @@
               "storageOption": "External",
               "singleton": 0,
               "bounded": 0,
-              "defaultValue": "",
+              "defaultValue": null,
               "reportable": 1,
               "minInterval": 1,
               "maxInterval": 65534,
@@ -5076,6 +5076,5 @@
       "endpointId": 1,
       "networkId": 0
     }
-  ],
-  "log": []
+  ]
 }
\ No newline at end of file