code: public function sendNotifications($varValue)
  	{
  		if ($varValue)
  		{
  			Contao\Comments::notifyCommentsSubscribers(Contao\CommentsModel::findByPk(Contao\Input::get('id')));
  		}
  
  		return $varValue;
  	}
docs: Send out the new comment notifications
  
  @param mixed $varValue
  
  @return mixed