Unreal Engine 4.26 Documentation

Unreal Engine 4.27 Documentation

Unreal Engine 5.0 Documentation

> Unreal Engine API Reference > Runtime > Engine > FMaterialParameterMetadata

Light Theme

Dark Theme

FMaterialParameterMetadata

Holds a value, along with editor-only metadata that describes that value

Choose your operating system:

Windows

macOS

Linux

References

Module	Engine
Header	/Engine/Source/Runtime/Engine/Public/MaterialTypes.h
Include	#include "MaterialTypes.h"

Syntax

struct FMaterialParameterMetadata

Remarks

Holds a value, along with editor-only metadata that describes that value

Variables

		Name	Description
	bool	bOverride	Is the parameter overriden on the material it was queried from?
	bool	bUsedAsAtlasPosition	Should curves be used?
	bool	bUsedAsChannelMask	Valid for Vector parameters
	FParameterChann...	ChannelNames	Name of channels, for Vectors/Textures
	FString	Description	Description of the parameter, typically taken from the 'Desc' field of the parameter's UMaterialExpression
	FGuid	ExpressionGuid	GUID of the UMaterialExpression this parameter came from
	FName	Group	Name of the parameter's group
	float	Max
	float	Min	UI range for scalar values
	int32	PrimitiveDataIndex
	TSoftObjectPtr<...	ScalarAtlas
	TSoftObjectPtr<...	ScalarCurve	Curve/Atlas used to generate scalar value
	int32	SortPriority	Used for sorting parameter within the group, in the UI
	FMaterialParame...	Value

Constructors

	Name	Description
	FMaterialParameterMetadata()
	FMaterialParameterMetadata ( const FMaterialParameterValue& InV... )
	FMaterialParameterMetadata ( EMaterialParameterType Type, const UE::Shader::FValue& InValue )