FPCGMetadataAttributeBase ( [UPCGMetadata](API\Plugins\PCG\Metadata\UPCGMetadata) * InMetadata, [FName](API\Runtime\Core\UObject\FName) InName, const [FPCGMetadataAttributeBase](API\Plugins\PCG\Metadata\FPCGMetadataAttributeBase) * InParent, bool bInAllowsInterpolation )