src/Plugins/Events.php
protected function on($events, $handler)
    {
        $dispatcher = $this->app->make('events');
        $dispatcher->listen($events, $handler);
    }
protected function on($events, $handler)
    {
        $dispatcher = $this->app->make('events');
        $dispatcher->listen($events, $handler);
    }
protected function on ( $ events , $ handler ) { $ dispatcher = $ this -> app -> make ( 'events' ) ; $ dispatcher -> listen ( $ events , $ handler ) ; }
on method.

@param $events
@param $handler
on method .