Docs / Utility

IsNullDefault()

IsNullDefault is an AMPscript function in the utility category.

Syntax

IsNullDefault(value, default)

Example

%%=IsNullDefault(@neverSet, "fallback value")=%%

fallback value

Output produced by AmpSend's AMPscript engine (validated against Salesforce's own test corpus) - not a hand-written result.

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Official Salesforce documentation

IsNullDefault in the official AMPscript reference - or browse the official index of AMPscript functions for platform behavior and edge cases.

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