Prooph\ServiceBus\EventBus::setActionEventEmitter PHP Метод

    public function setActionEventEmitter(ActionEventEmitter $actionEventDispatcher)
    {
        $actionEventDispatcher->attachListener(self::EVENT_INVOKE_HANDLER, function (ActionEvent $actionEvent) {
            $eventListener = $actionEvent->getParam(self::EVENT_PARAM_MESSAGE_HANDLER);
            if (is_callable($eventListener)) {
                $event = $actionEvent->getParam(self::EVENT_PARAM_MESSAGE);
                $eventListener($event);
                $actionEvent->setParam(self::EVENT_PARAM_MESSAGE_HANDLED, true);
            }
        });
        $this->events = $actionEventDispatcher;
    }