/**
* Adds an event listener that listens on the specified events.
*
* @param string $eventName The event to listen on
* @param callable $listener The listener
* @param integer $priority The higher this value, the earlier an event
* listener will be triggered in the chain (defaults to 0)
*/
public function on($eventName, $listener, $priority = 0)
{
EventManager::on($eventName, $listener, $priority);
}
