code: public function trigger($event, array $params = [], $method = 'handle')
      {
          $listeners = config('services.listeners');
          foreach ($listeners[$event] as $listener) {
              if (! class_exists($listener)) {
                  throw new ExceptionHandler('Event class not found.', $listener);
              }
  
              if (! method_exists($listener, $method)) {
                  throw new ExceptionHandler('Method not found in Event class.', $listener . '::' . $method . '()');
              }
  
              call_user_func_array([new $listener, $method], $params);
          }
      }
docs: Trigger an event
  
  @param string $event
  @param array  $params
  @param string $method
  
  @return mixed
  @throws ExceptionHandler