compose_launched_effect_1.kt

@Composable
fun TimerScreen() {
    LaunchedEffect(key1 = Unit, block = {
        try {
            startTimer(5000L) { // start a timer for 5 secs
                println("Timer ended")
            }
        } catch(ex: Exception) {
                println("timer cancelled")
        }
    })
}

suspend fun startTimer(time: Long, onTimerEnd: () -> Unit) {
    delay(timeMillis = time)
    onTimerEnd()
}

Hey, sorry for missing that piece out. You can refer to it in the updated gist above