def update(self, campaign_id, feedback_id, data):
self.campaign_id = campaign_id<EOL>self.feedback_id = feedback_id<EOL>if '<STR_LIT:message>' not in data:<EOL><INDENT>raise KeyError('<STR_LIT>')<EOL><DEDENT>return self._mc_client._patch(url=self._build_path(campaign_id, '<STR_LIT>', feedback_id), data=data)<EOL>
Update a specific feedback message for a campaign.

:param campaign_id: The unique id for the campaign.
:type campaign_id: :py:class:`str`
:param feedback_id: The unique id for the feedback message.
:type feedback_id: :py:class:`str`
:param data: The request body parameters
:type data: :py:class:`dict`
data = {
    "message": string*
}