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> Unreal Engine API Reference > Runtime > Engine > Materials > UMaterialExpressionFunctionInput > bCompilingFunctionPreview

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bCompilingFunctionPreview

True when this expression is being compiled in a function preview, false when this expression is being compiled into a material that uses the function.

Windows

MacOS

Linux

Syntax

uint32 bCompilingFunctionPreview: 1

Remarks

True when this expression is being compiled in a function preview, false when this expression is being compiled into a material that uses the function. Only valid in Compile()

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