def add_message(self, body, **kwargs):
response = self._requester.request(<EOL>'<STR_LIT:POST>',<EOL>'<STR_LIT>'.format(self.id),<EOL>body=body,<EOL>_kwargs=combine_kwargs(**kwargs)<EOL>)<EOL>return Conversation(self._requester, response.json())<EOL>
Add a message to a conversation.

:calls: `POST /api/v1/conversations/:id/add_message \
<https://canvas.instructure.com/doc/api/conversations.html#method.conversations.add_message>`_

:param body: The body of the conversation.
:type body: str
:returns: A conversation with only the most recent message.
:rtype: :class:`canvasapi.account.Conversation`