new_contents: def fmn_confirmation_update(config, message):
      """ Notifications: The status of confirmation changed
  
      Adding this rule to your filters will let through messages
      from `Notifications <https://apps.fedoraproject.org/notifications>`_
      whenever the status of confirmation changes.
      """
      return message['topic'].endswith('fmn.confirmation.update')
  
  
  def fmn_filter_update(config, message):
      """ Notifications: Someone updated one of their notification rules
  
      Adding this rule to your filters will let through messages
      from `Notifications <https://apps.fedoraproject.org/notifications>`_
      whenever someone updates one of their notification rules.
      """
      return message['topic'].endswith('fmn.filter.update')
  
  
  def fmn_preference_update(config, message):
      """ Notifications: Someone updated their delivery details
  
      Adding this rule to your filters will let through messages
      from `Notifications <https://apps.fedoraproject.org/notifications>`_
      whenever someone **updates their delivery details**.
      """
      return message['topic'].endswith('fmn.preference.update')
  
  
  
subject: create rules for fmn