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API > API/Plugins > API/Plugins/MeshModelingToolsExp > API/Plugins/MeshModelingToolsExp/IMeshVertexAttributeSource
References
| Module | MeshModelingToolsExp |
| Header | /Engine/Plugins/Experimental/MeshModelingToolsetExp/Source/MeshModelingToolsExp/Public/MeshAttributePaintTool.h |
| Include | #include "MeshAttributePaintTool.h" |
int32 GetAttributeElementNum&40;&41;
number of indices in each attribute