code: def get_user_identity_ids_by_domain_id(self, domain_id):
          
          query_parameters = {}
          if domain_id is not None:
              query_parameters['domainId'] = self._serialize.query('domain_id', domain_id, 'str')
          response = self._send(http_method='GET',
                                location_id='28010c54-d0c0-4c89-a5b0-1c9e188b9fb7',
                                version='5.0',
                                query_parameters=query_parameters)
          return self._deserialize('[str]', self._unwrap_collection(response))
docs: GetUserIdentityIdsByDomainId.
          :param str domain_id:
          :rtype: [str]