How to Find specific Fields in RosettaNet 3A4 PurchaseOrderRequest

Hi All,

I have some requirement where i need to do Mappingsheet between estandard (OAG) open Application Guide & (Pip)RosettaNet 3A4 Purchase Order Request. after doing mapping i am sending this document to Trading Network this is also flowing fine but in TN there is some fields in Transaction Analysis like GroupID & ConversationID.

My requirement is to identify {GroupID & ConversationID} fields in RN

so i want know which fields shall i map in my RosettaNet Pip 3A4 Purchase Order Request structure?

Apprecitate quick help