The ConversationID is a concatenation of the initiator’s Global Business Identifier (a DUNS number), a Process Instance Identifier, and the initiator focal role of the process model, separated by -%%-.

For example, if you are sending a Purchase Order (PO) Request to initiate a PIP 3A4 conversation, the webMethods RosettaNet Module creates a ConversationID for that conversation as 123456789-%%-1001-%%-Buyer (where Buyer is the initiator focal role of the initial process model for PIP 3A4).