OperationContext.Current.OutgoingMessageProperties in BizTalk

Have similar code as below in a WCF Service and requirement to implement the same in BizTalk.  need to add OutgoingMessageProperties to WCF message in BizTalk. I had tried to create property schema with WCF-Property Namespace, But no luck. Please help

How to implement below code in BizTalk??

ConcurrentPrograms_ARClient client1 = new ConcurrentPrograms_ARClient(binding, address);

using (new OperationContextScope(client1.InnerChannel))

 {

OperationContext.Current.OutgoingMessageProperties.Add(“Property Name”, “Property Value”); client1.OPERATION(params…);

 }