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API > API/Plugins > API/Plugins/ModelingComponents > API/Plugins/ModelingComponents/BaseTools > API/Plugins/ModelingComponents/BaseTools/UBaseMeshProcessingTool > API/Plugins/ModelingComponents/BaseTools/UBaseMeshProcessingTool/AddOptionalPrope-
References
| Module | ModelingComponents |
| Header | /Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/BaseTools/BaseMeshProcessingTool.h |
| Include | #include "BaseTools/BaseMeshProcessingTool.h" |
template<class PropSetType>
PropSetType &42; AddOptionalPropertySet
&40;
TUniqueFunction< bool()> VisibilityFunc,
TUniqueFunction< void()> OnModifiedFunc,
bool bChangeInvalidatesResult
&41;
Remarks
Register an optional property set with the given VisibilityFunc, and call OnModifiedFunc if any of the properties change