code: def post(self, text, attachments=None):
          
          return self.manager.post(self.bot_id, text, attachments)
docs: Post a message as the bot.
  
          :param str text: the text of the message
          :param attachments: a list of attachments
          :type attachments: :class:`list`
          :return: ``True`` if successful
          :rtype: bool