Jetpack Compose Navigation Return Result

@Composablefun SelectPlaceScreen(viewModel: SelectPlaceViewModel = viewModel(), onBack: (Map<String, Any>?) -> Unit) {    Button(onClick = {        onBack(mapOf(            "placeId" to "hello1234"        ))    } {        Text("Back with result")    }}

fun onBack(data: Map<String, Any>? = null) {    if (data != null) {l        navController.previousBackStackEntry?.savedStateHandle?.let {            for ((key, value) in data) {                it.set(key, value)            }        }    }    navController.popBackStack()}

NavHost(navController = navController, startDestination = Screen.Home.route) {    composable("card?cardId={cardId}",        arguments = listOf(            navArgument("cardId") {                type = NavType.StringType                nullable = true                defaultValue = null            }        ))    { backStackEntry ->        CardScreen(            viewModel = hiltViewModel(),            cardId = backStackEntry.arguments?.getString("cardId"),            // maybe backStackEntry.savedStateHandle work as well?            savedStateHandle = navController.currentBackStackEntry?.savedStateHandle)     }}

@Composablefun CardScreen(    viewModel: CardViewModel = viewModel(),    cardId: String? = null,    savedStateHandle: SavedStateHandle?,) {    if (savedStateHandle != null) {        val placeId by savedStateHandle.getLiveData<String>("placeId").observeAsState()        LaunchedEffect(placeId) {            placeId?.let {                // do something                savedStateHandle.remove<String>("placeId")            }        }    }}