`flowcrafter_register_nodes`

Description

Allow third-party plugins to register custom node types.

add_action( 'flowcrafter_register_nodes', 'my_custom_function' );

$registry_class string

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

add_action( 'flowcrafter_register_nodes', function ( $registry ) {
    $registry::register( 'MyNode', My_Node::class );
} );