sharedflow_event.kt

// viewModel layer
class MyViewModel: ViewModel() {
    private val _eventWithSharedFlow = MutableSharedFlow<Event>()
    val eventWithSharedFlow: SharedFlow<Event> = _eventWithSharedFlow
}

// compose layer
LaunchedEffect(lifecycleOwner) {
        lifecycleOwner.repeatOnLifecycle(Lifecycle.State.STARTED) {
            viewModel.eventWithSharedFlow.collect {
              // handle one-time event
            }
        }
}