static bool SetCustomLOD ( [USkeletalMesh](API\Runtime\Engine\Engine\USkeletalMesh) * DestinationSkeletalMesh, [USkeletalMesh](API\Runtime\Engine\Engine\USkeletalMesh) * SourceSkeletalMesh, const int32 LodIndex, const [FString](API\Runtime\Core\Containers\FString) & SourceDataFilename )