code: def reply_all(self, reply_comment):
          
          payload = '{ "Comment": "' + reply_comment + '"}'
          endpoint = 'https://outlook.office.com/api/v2.0/me/messages/{}/replyall'.format(self.message_id)
  
          self._make_api_call('post', endpoint, data=payload)
docs: Replies to everyone on the email, including those on the CC line.
  
          With great power, comes great responsibility.
  
          Args:
              reply_comment: The string comment to send to everyone on the email.