code: def mute_modmail_author(self, _unmute=False):
          
          path = 'unmute_sender' if _unmute else 'mute_sender'
          return self.reddit_session.request_json(
              self.reddit_session.config[path], data={'id': self.fullname})
docs: Mute the sender of this modmail message.
  
          :param _unmute: Unmute the user instead. Please use
              :meth:`unmute_modmail_author` instead of setting this directly.