namespace arcadepro\arcade\event; use Symfony\Component\EventDispatcher\EventSubscriberInterface; class main_listener implements EventSubscriberInterface { public static function getSubscribedEvents() { return [ 'core.user_setup' => 'load_lang' ]; } public function load_lang($event) { global $user; $user->add_lang_ext('arcadepro/arcade', 'common'); } }