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Data Transformation Engine Functions and Expressions Reference Guide

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Chapter 3 - Function Reference WHEN
Functions and Expressions Reference Guide
222
Examples
WHEN (ABSENT(CatalogueField), ABSENT (QuantityField))
Returns TRUE when CatalogueField and QuantityField are both absent.
WHEN (PRESENT(ShipDate), PRESENT(InStock),
PRESENT(BackOrderDate ))
Returns FALSE when ShipDate and BackOrderDate are both absent.
Uses
Use WHEN in a component rule to test for the validity of one object based on
another object.