[TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [ILevelViewportLayoutEntity](API\Editor\LevelEditor\ILevelViewportLayoutEntity) > FactoryViewport ( [FName](API\Runtime\Core\UObject\FName) InTypeName, const [FAssetEditorViewportConstructionArgs](API\Editor\UnrealEd\FAssetEditorViewportConstruction-) & ConstructionArgs ) const