SAP CPI Mapping : UseOneAsMany Node Function explained with Examples | SAP Integration Suite
Master UseOneAsMany in SAP Integration Suite (CPI) and SAP PI/PO. Learn how to repeat a single header value across multiple target items without writing a UDF—using correct queue/context handling, Display Queue checks, and SplitByValue when needed.
What you’ll learn
When to use UseOneAsMany (header → items, one-to-many fan-out)
The 3 golden rules (I1 “what”, I2 “how many”, I3 “grouping”)
Two practical demos: PONumber → Line Items, ProductID → Names
Common errors (“Too many values in first/second queue”) and quick fixes
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