src/Bot/Manager.php
public function runHandler(Event $event)
    {
        if (is_callable($this->handler)) {
            return call_user_func($this->handler, $event);
        }
        return false;
    }
public function runHandler(Event $event)
    {
        if (is_callable($this->handler)) {
            return call_user_func($this->handler, $event);
        }
        return false;
    }
public function runHandler ( Event $ event ) { if ( is_callable ( $ this -> handler ) ) { return call_user_func ( $ this -> handler , $ event ) ; } return false ; }
Process event with handler function

@param  \Viber\Api\Event $event
@return mixed event handler result
Process event with handler function