code: def _update_notification_settings(self, event, service,
                                        should_notify):
          
          response = API.update_notification_settings(self.api_token, event,
                                                      service, should_notify)
          _fail_if_contains_errors(response)
docs: Update the settings of a an events notifications.
  
          :param event: Update the notification settings of this event.
          :type event: str
          :param service: The notification service to update.
          :type service: str
          :param should_notify: Notify if this is ``1``.
          :type should_notify: int