update content in notification android.

app.js

// this sets the background color of the master UIView (when there are no windows/tab groups on it)
Ti.UI.setBackgroundColor('#000');
//Add this in so Titanium will add the permission for us.
Titanium.Media.vibrate();
//Add this so Titanium will add the permissions and links needed to play sounds
var sound = Titanium.Media.createSound();
 
//Bring in the module
var alarmModule = require('bencoding.alarmmanager');
//Create a new instance of the Alarm Manager
var alarmManager = alarmModule.createAlarmManager();
//Create our basic window to put our example buttons on
var win = Titanium.UI.createWindow({  
    title:'Tab 1', backgroundColor:'#fff', title:'Alarm Manager Tests'
});
 
 
var btn5 = Ti.UI.createButton({
    title:"Alarm & Service Basic", top:180, left:5, width: 150, height:75
});
win.add(btn5);
 var now = new Date();
btn5.addEventListener('click',function(e){
    alarmManager.addAlarmService({
        //The full name for the service to be called. Find this in your AndroidManifest.xml Titanium creates
        service:'com.appworkbench.alarmtest.TestserviceService',        
        year: now.getFullYear(),
        month: now.getMonth(),
        day: now.getDate(),
        hour: now.getHours(),
        minute: now.getMinutes() + 1, //Set the number of minutes until the alarm should go off
        interval:60000, // Create an interval service that runs each minute,
        repeat:'weekly', //You can use the words hourly,daily,weekly,monthly,yearly or you can provide milliseconds.
                     //Or as shown above you can provide the millesecond value 
    }); 
    var ew = Ti.UI.createAlertDialog({
        title:'Info', message:"The Service provided will be started in about 2 minutes",
        buttonNames:[Ti.Android.currentActivity.getString(Ti.Android.R.string.ok)]
    });
    ew.show();      
});
 
 
win.open();

testservce.js

var service = Ti.Android.currentService;
var serviceIntent = service.getIntent();
 
setNotification();
 
Ti.Android.stopService(serviceIntent);
 var today = new Date();
var d = new Date("April 21, 2015 01:15:00");
var diff = d.getTime() - today.getTime();
var days=500- Math.round(diff / (1000 * 60 * 60 * 24)); 
var weeksdone=Math.floor(days/ 7);
  var week=Math.abs(weeksdone);
 
function setNotification(alarm){
    var activity = Ti.Android.currentActivity;
    var intent = Ti.Android.createIntent({
      action: Ti.Android.ACTION_SENDTO,
      url : 'app.js',
        flags : Ti.Android.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED | Ti.Android.FLAG_ACTIVITY_NEW_TASK,
 
        data:weeksdone,
        type:'text/plain'
    });
    intent.addCategory(Titanium.Android.CATEGORY_LAUNCHER);
 
    var pending = Ti.Android.createPendingIntent({
        activity : activity,
        intent : intent,
        type : Ti.Android.PENDING_INTENT_FOR_ACTIVITY,
        flags : Ti.Android.FLAG_ACTIVITY_NO_HISTORY
    });
 
    var message = weeksdone;
    var notificationOptions = {
        contentIntent : pending,
      contentTitle : "weeks done"+weeksdone,
        contentText : message,
        tickerText :message,
        when : new Date().getTime(),
        icon : Ti.App.Android.R.drawable.appicon,
        flags : Titanium.Android.FLAG_AUTO_CANCEL | Titanium.Android.FLAG_SHOW_LIGHTS | Titanium.Android.FLAG_INSISTENT,
    //   sound: Ti.Filesystem.getResRawDirectory() + 'sound'
    };
 
    var notification = Ti.Android.createNotification(notificationOptions);
    Ti.Android.NotificationManager.notify(1, notification);
 
    Ti.Media.vibrate([0,100,100,200,100,100,200,100,100,200]);
}

what i want to do is get notification with the weeks done in the notificationoptions ..but i am getting undefined... android titanium sdk 3.3.0