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API > API/Runtime > API/Runtime/Engine > API/Runtime/Engine/UMaterialExpressionIf
Description
Marks certain expression types as outputting material attributes. Allows the material editor preview material to know if it should use its material attributes pin.
Virtual Inheritance
- UMaterialExpression::IsResultMaterialAttributes → UMaterialExpressionIf::IsResultMaterialAttributes
| Name | IsResultMaterialAttributes |
| Type | function |
| Header File | /Engine/Source/Runtime/Engine/Public/Materials/MaterialExpressionIf.h |
| Include Path | #include "Materials/MaterialExpressionIf.h" |
| Source | /Engine/Source/Runtime/Engine/Private/Materials/MaterialExpressions.cpp |
virtual bool IsResultMaterialAttributes
(
int32 OutputIndex
)