CreateNewStreamingLevelForWorld ( UWorld& World, TSubclassOf< ULevelStreaming > Leve..., bool bUseExternalActors, const FString& DefaultFilename, const TArray< AActor* >* ..., UWorld* InTemplateWorld, bool bInUseSaveAs, bool bIsPartitioned, TFunction< void(ULevel*)> InPr..., const FTransform& InTransform )