creationTimeDoc.setCreationTime( getCreationTime( ) );
prop.add( creationTimeDoc );
// custom prop 'ProducerReference'
prop = propSet.get( SubscriptionManagerPortType.PROP_QNAME_PRODUCER_REFERENCE );
ProducerReferenceDocument producerRefDoc = ProducerReferenceDocument.Factory.newInstance( );
producerRefDoc.setProducerReference( (EndpointReferenceType) ( (XmlBeansEndpointReference) getProducerReference( ) )
.getXmlObject( AddressingConstants.NSURI_ADDRESSING_SCHEMA ) );
prop.add( producerRefDoc );
}