def service(self, service):
        """
        Sets the service of this TrustedCertificateInternalResp.
        Service name where the certificate is to be used.

        :param service: The service of this TrustedCertificateInternalResp.
        :type: str
        """
        if service is None:
            raise ValueError("Invalid value for `service`, must not be `None`")
        allowed_values = ["lwm2m", "bootstrap"]
        if service not in allowed_values:
            raise ValueError(
                "Invalid value for `service` ({0}), must be one of {1}"
                .format(service, allowed_values)
            )

        self._service = service