def reply(self, reply_comment):
        """Reply to the Message.

        Notes:
            HTML can be inserted in the string and will be interpreted properly by Outlook.

        Args:
            reply_comment: String message to send with email.

        """
        payload = '{ "Comment": "' + reply_comment + '"}'
        endpoint = 'https://outlook.office.com/api/v2.0/me/messages/' + self.message_id + '/reply'

        self._make_api_call('post', endpoint, data=payload)