Windows Javascript SDK

var service = new PushSDK.NotificationService.getCurrent("YOUR_PUSHWOOSH_APP_ID");

service.ononpushaccepted = function (args) {
    //code to handle push notification
    //display push notification payload for test only
    var md = new Windows.UI.Popups.MessageDialog(args.toString());
    md.showAsync()
}

service.ononpushtokenreceived = function (pushToken) {
    //code to handle push token
}

service.ononpushtokenfailed = function (error) {
    //code to handle push subscription failure
}

service.subscribeToPushService();

app.onactivated = function (args) {
        if (args.detail.kind === activation.ActivationKind.launch) {
            if (args.detail.previousExecutionState !== activation.ApplicationExecutionState.terminated) {
                // TODO: This application has been newly launched. Initialize
                // your application here.

                //Handle start push
                PushSDK.NotificationService.handleStartPush(args.detail.arguments);

var keys = ["name1", "name2"];
var values = ["value1", "value2"];

service.sendTag(keys, values);