End-to-end flow: an overview for using user exits

This chapter describes end-to-end flow of the business document through WebSphere Partner Gateway when user exits are involved. At a high level, a WebSphere Partner Gateway receiver receives a document from the sending trading partner. The receiver introduces the document into the document processor. The BPE component of the document processor performs business-protocol-specific processing on this business document by executing the workflows and their steps. BPE packages the business document and delivers it to the Delivery Manager component, which invokes the sender to send the business document to the receiving trading partner.

The user exit capabilities of WebSphere Partner Gateway let you develop business protocols. Each business protocol can have its unique requirements:

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