def METHOD_NAME(self, request, context):
    logging.warning(
        "Purge request not implemented: %s %s",
        request.DESCRIPTOR.full_name, MessageToJson(request),
    )
    pur = s6a_proxy_pb2.PurgeUEAnswer()
    print_grpc(pur, self._print_grpc_payload, "PUR:")
    return pur