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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 |
void MarkUsageFlagDirty
&40;
EMaterialUsage Usage,
bool CurrentValue,
bool NewValue
&41;
Remarks
Handles setting up an annotation for this object if a flag has changed value