def groups(self, user, include=None):
        """
        Retrieve the groups for this user.

        :param include: list of objects to sideload. `Side-loading API Docs 
            <https://developer.zendesk.com/rest_api/docs/core/side_loading>`__.
        :param user: User object or id
        """
        return self._query_zendesk(self.endpoint.groups, 'group', id=user, include=include)
Retrieve the groups for this user.

        :param include: list of objects to sideload. `Side-loading API Docs 
            <https://developer.zendesk.com/rest_api/docs/core/side_loading>`__.
        :param user: User object or id