def create_note(self, from_email, content):
        """Create a note for this incident."""
        if from_email is None or not isinstance(from_email, six.string_types):
            raise MissingFromEmail(from_email)

        endpoint = '/'.join((self.endpoint, self.id, 'notes'))
        add_headers = {'from': from_email, }

        return self.noteFactory.create(
            endpoint=endpoint,
            api_key=self.api_key,
            add_headers=add_headers,
            data={'content': content},
        )
Create a note for this incident.