bool CreateAttributeIfNeeded ( [FPCGContext](API\Plugins\PCG\FPCGContext) & Context, const [FPCGAttributePropertySelector](API\Plugins\PCG\Metadata\FPCGAttributePropertySelector) & Selector, const [FPCGMetadataTypesConstantStruct](API\Plugins\PCG\Metadata\FPCGMetadataTypesConstantStruct) & Value, [UPCGPointData](API\Plugins\PCG\Data\UPCGPointData) * OutPointData, const [UPCGPointMatchAndSetSettings](API\Plugins\PCG\Elements\UPCGPointMatchAndSetSettings) * InSettings ) const