public function addEventHandler($eventName, $eventHandlerName, $priority = 50)
    {
        $this->addHandler(self::EVENT, $eventName, $eventHandlerName, $priority);
    }
public function addEventHandler($eventName, $eventHandlerName, $priority = 50)
    {
        $this->addHandler(self::EVENT, $eventName, $eventHandlerName, $priority);
    }
public function addEventHandler ( $ eventName , $ eventHandlerName , $ priority = 50 ) { $ this -> addHandler ( self :: EVENT , $ eventName , $ eventHandlerName , $ priority ) ; }
Adds an event handler

@access public
@param string $eventName
@param string $eventHandlerName
@param integer $priority
Adds an event handler