gistfile1.php

<?php
        $callback = new Ai1ec_Core_Callback( $this->_registry, 'model.settings', 'test' );
        
        $dispatcher = new Ai1ec_Core_Dispatcher();
        $dispatcher->register('my-custom-action', $callback, 10, 2);
        
        do_action('my-custom-action', 100, 200);