static [UDynamicMesh](API\Runtime\GeometryFramework\UDynamicMesh) * AddTrianglesToMesh ( [UDynamicMesh](API\Runtime\GeometryFramework\UDynamicMesh) * TargetMesh, [FGeometryScriptTriangleList](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptTriangleList) NewTrianglesList, [FGeometryScriptIndexList](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptIndexList) & NewIndicesList, int NewTriangleGroupID, bool bDeferChangeNotifications, [UGeometryScriptDebug](API\Plugins\GeometryScriptingCore\GeometryScript\UGeometryScriptDebug) * Debug )