//push notifications handler
document.addEventListener('push-notification', function(event) {
            var notification = event.notification;
            // navigator.notification.alert(notification.aps.alert);

            //to view full push payload
            // navigator.notification.alert(JSON.stringify(notification));

            //reset badges on icon
            pushNotification.setApplicationIconBadgeNumber(0);
          });

if( typeof(notification.u.url) != "undefined" ) {

    // do whatever here

    }