diff --git a/pw_bluetooth/public/pw_bluetooth/hci.emb b/pw_bluetooth/public/pw_bluetooth/hci.emb
index 6e2c7a1..9772c6e 100644
--- a/pw_bluetooth/public/pw_bluetooth/hci.emb
+++ b/pw_bluetooth/public/pw_bluetooth/hci.emb
@@ -883,6 +883,37 @@
   $next [+1]         GenericEnableParam  simple_pairing_mode
 
 
+struct LESetAdvertisingEnableCommand:
+  -- LE Set Advertising Enable command (v4.0) (LE)
+  let hdr_size = CommandHeader.$size_in_bytes
+  0      [+hdr_size]  CommandHeader       header
+  $next  [+1]         GenericEnableParam  advertising_enable
+
+
+struct LESetExtendedAdvertisingEnableData:
+  -- Data fields for variable-length portion of an LE Set Extended Advertising Enable command
+  0      [+1]  UInt  advertising_handle
+  $next  [+2]  UInt  duration
+  $next  [+1]  UInt  max_extended_advertising_events
+
+
+struct LESetExtendedAdvertisingEnableCommand:
+  -- LE Set Extended Advertising Enable command (v5.0) (LE)
+  let hdr_size = CommandHeader.$size_in_bytes
+  0      [+hdr_size]    CommandHeader       header
+  $next  [+1]           GenericEnableParam  enable
+  $next  [+1]           UInt                num_sets
+  let single_data_size = LESetExtendedAdvertisingEnableData.$size_in_bytes
+  $next  [+single_data_size*num_sets]  LESetExtendedAdvertisingEnableData[]  data
+
+
+struct LERemoveAdvertisingSetCommand:
+  -- LE Remove Advertising Set command (v5.0) (LE)
+  let hdr_size = CommandHeader.$size_in_bytes
+  0      [+hdr_size]  CommandHeader     header
+  $next  [+1]         UInt              advertising_handle
+
+
 struct LESetExtendedScanEnableCommand:
   -- LE Set Extended Scan Enable Command (v5.0) (LE)
 
diff --git a/pw_bluetooth/public/pw_bluetooth/vendor.emb b/pw_bluetooth/public/pw_bluetooth/vendor.emb
index d528972..2c5681b 100644
--- a/pw_bluetooth/public/pw_bluetooth/vendor.emb
+++ b/pw_bluetooth/public/pw_bluetooth/vendor.emb
@@ -28,6 +28,18 @@
 # Documentation: https://source.android.com/devices/bluetooth/hci_requirements
 
 
+# ============ Commands ============
+
+
+struct LEMultiAdvtEnableCommand:
+  -- LE multi-advertising enable command.
+  let hdr_size = hci.CommandHeader.$size_in_bytes
+  0      [+hdr_size]  hci.CommandHeader       header
+  $next  [+1]         UInt                    opcode
+  $next  [+1]         hci.GenericEnableParam  enable
+  $next  [+1]         UInt                    advertising_handle
+
+
 # ============ Events ============