scripts/py_matter_idl/matter_idl/generators/cpp/application/PluginApplicationCallbacksHeader.jinja

#pragma once

{%- for cluster in clusters | sort(attribute='name') %}
void Matter{{ cluster.name }}PluginServerInitCallback();
{%- endfor %}

#define MATTER_PLUGINS_INIT \
{%- for cluster in clusters | sort(attribute='name') %}
    Matter{{ cluster.name }}PluginServerInitCallback();{{ " \\" if not loop.last else ""}}
{%- else %}
    (void)0; /* No server side clusters */
{%- endfor %}