code: def register_notification(self, notification):
          
  
          LOGGER.debug("> Registering notification: '{0}'.".format(notification))
  
          self.__notifications.append(notification)
          self.notification_registered.emit(notification)
          return True
docs: Registers given notification.
  
          :param notification: Notification to register.
          :type notification: Notification
          :return: Method success.
          :rtype: bool