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Unreal Engine C++ API Reference > Runtime > Engine > Materials > UMaterial
References
| Module | Engine |
| Header | /Engine/Source/Runtime/Engine/Classes/Materials/Material.h |
| Include | #include "Materials/Material.h" |
| Source | /Engine/Source/Runtime/Engine/Private/Materials/Material.cpp |
virtual void UpdateExpressionParameterName
&40;
UMaterialExpression &42; Expression
&41;
Remarks
Remove the expression from the editor parameters list (if it exists) and then re-adds it.
Parameters
| Name | Description |
|---|---|
| Expression | The expression node that represents a parameter that needs updating. |