The RequestedDeliveryGuaranteeparameter with DataType BrokerTransportQualityOfServicespecifies the delivery guarantees that shall apply to all messages published by the DataSetWriter. The DataType BrokerTransportQualityOfServiceis defined in

If the value is not NotSpecified_0, it overrides the RequestedDeliveryGuaranteeof the WriteGrouptransport settings.

If the selected delivery guarantee cannot be applied, the DataSetWritershall set the state to Error_3.