Snackbar host

How to show Snackbar inside Snackbar host in android jetpack compose.

package com.compose.example

import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.material.SnackbarDuration
import androidx.compose.material.SnackbarHost
import androidx.compose.material.SnackbarHostState
import androidx.compose.material3.Button
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Surface
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.runtime.remember
import androidx.compose.runtime.rememberCoroutineScope
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import com.compose.example.ui.theme.ComposeExampleTheme
import kotlinx.coroutines.launch

class MainActivity : ComponentActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContent {
            ComposeExampleTheme {
                Surface(
                    modifier = Modifier.fillMaxSize(),
                    color = MaterialTheme.colorScheme.background
                ) {
                    MainContent()
                }
            }
        }
    }
}



@Composable
fun MainContent() {
   val snackState = remember { SnackbarHostState()}
   val scope = rememberCoroutineScope()

   fun launchSnackbar(message: String, actionLabel : String?=null, duration: SnackbarDuration = SnackbarDuration.Short){
       scope.launch {
           snackState.showSnackbar(message = message,actionLabel=actionLabel, duration=duration)
       }
   }
    Box(contentAlignment = Alignment.Center) {
        Button(
            onClick = {
                // *  Snackbar
                launchSnackbar(message = "Hi i am snackbar", actionLabel = "Hide", duration = SnackbarDuration.Indefinite)
            },
            modifier = Modifier.align(Alignment.Center)
        ) { Text(text = "Show Snackbar") }
    }
    Box(modifier = Modifier.fillMaxSize(), Alignment.BottomCenter){
        SnackbarHost(hostState = snackState)
    }
}

..