Sets the value of multiple  parameters.

        :param dict values: Values keyed by parameter name. This name can be either
                            a fully-qualified XTCE name or an alias in the format
                            ``NAMESPACE/NAME``.

def set_parameter_values(self, values):
        """
        Sets the value of multiple  parameters.

        :param dict values: Values keyed by parameter name. This name can be either
                            a fully-qualified XTCE name or an alias in the format
                            ``NAMESPACE/NAME``.
        """
        req = rest_pb2.BulkSetParameterValueRequest()
        for key in values:
            item = req.request.add()
            item.id.MergeFrom(_build_named_object_id(key))
            item.value.MergeFrom(_build_value_proto(values[key]))
        url = '/processors/{}/{}/parameters/mset'.format(
            self._instance, self._processor)
        self._client.post_proto(url, data=req.SerializeToString())