PowerCenter needs to determine whether the document it receives or sends contains the document data or a reference to the document. When you send a document to a PowerCenter workflow to process, you must indicate whether you are sending a document or a reference to a document. When you pass documents from PowerCenter after processing, you must also indicate whether you are passing a document or a reference to a document.

B2B Data Exchange uses the following ports and properties to indicate whether the document it sends or receives is the document data or a reference to the document: