`flowcrafter_register_node_extensions`

Description

Allow third-party plugins to register extensions for built-in node types.

add_action( 'flowcrafter_register_node_extensions', 'my_custom_function' );

$registry_class string

The Node_Extension_Registry class name for calling ::register().

add_action( 'flowcrafter_register_node_extensions', function ( $registry ) {
    $registry::register( 'MyNode', 'my-extension', [] );
} );