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> Unreal Engine API Reference > Runtime > Engine > Materials > UMaterialInstanceDynamic > UMaterialInstanceDynamic::InitializeVectorParameterAndGetIndex

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UMaterialInstanceDynamic::InitializeVectorParameterAndGetIndex

Use this function to set an initial value and fetch the index for use in the following function.

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References

Module	Engine
Header	/Engine/Source/Runtime/Engine/Classes/Materials/MaterialInstanceDynamic.h
Include	#include "Materials/MaterialInstanceDynamic.h"
Source	/Engine/Source/Runtime/Engine/Private/Materials/MaterialInstanceDynamic.cpp

Syntax

bool InitializeVectorParameterAndGetIndex
(
    const FName & ParameterName,
    const FLinearColor & Value,
    int32 & OutParameterIndex
)

Remarks

Use this function to set an initial value and fetch the index for use in the following function.

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