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API > API/Runtime > API/Runtime/Engine > API/Runtime/Engine/Materials > API/Runtime/Engine/Materials/UMaterialExpressionSubstrateSimp-

Syntax

UPROPERTY ()  
FExpressionInput Normal  
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Remarks

Take the surface normal as input. The normal is considered tangent or world space according to the space properties on the main material node. (type = float3, unit = unitless, defaults to vertex normal)