OldWay.kt

data class Event(val username: String)

class UserViewModel : ViewModel() {

  val events = MutableSharedFlow<Event>
}

class UserFragment : Fragment() {

  private val viewModel by viewModels<UserViewModel>()
  private lateinit var binding: UserBinding
  
  override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
    super.onViewCreated(view, savedInstanceState)
    
    viewModel.events
      .onEach {
        // we access Android views in our Fragment directly
        binding.usernameView.text = it.username
      }
      .launchIn(viewLifecycleOwner.lifecycle.coroutineScope)
  }
}