app.directive("alertEvent", function(){
    return {
        restrict: "E",
      scope: {
        point: "=",
        check: "="
    },
    link: function(scope, elemnt, attrs){
        
        var audio = new Audio('/rest/v2/file-stores/public/AlarmSound.mp3');
        audio.muted = false;
        
        scope.$watch("point.value", function(newValue, oldValue){
            var P = newValue;
            var Ch = scope.check;
            
            if (P == true){
                if (Ch == true) {
                    for (let n =0; n<10; n++){
                setTimeout(function(){
                    audio.play();
                },6000*n)}
                scope.point.value = false;
                } else {
                    audio.pause();
                }
            } else {
                audio.pause();
            }
        })
    }
    }
});

want to when audio.play() finished change scope.point this datapoint value to false,How to I do?