how do i stop the timer when it stops at 0, like an alarm clock?

Question

Help me please
https://code.sololearn.com/WgoPFVHmCt7Y/?ref=app

Answer 1

//If you have coded that your self then you can implement this

if(timer == 0){
//stop
}

Answer 2

Sudarshan Rai 👑 to put the audio together?