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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 UpdateExpressionDynamicParameters
&40;
const UMaterialExpression &42; Expression
&41;
Remarks
Iterate through all of the expression nodes and fix up changed properties on matching dynamic parameters when a change occurs.
Parameters
| Name | Description |
|---|---|
| Expression | The expression dynamic parameter. |