periodic Notifications through Mobile service API

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Windows

Mobile

Azure

application

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Hi,

I am sending periodic notifications from azure mobile services with the help of API,

I have to sent queue of notifications but the below code returns only sent one notification

How to make this code to send queue of notifications in single xml file

exports.get = function(request, response) {
    var wns = require('wns');    
    var tileType=request.query.tileType;
    var todoItems = request.service.tables.getTable('place');
    todoItems.where({
        uniqueid:request.query.itemId
    }).read({
        success: sendResponse
    });


function sendResponse(results) {
    var tileText={
        text:""
    };
    var xml;
    var i = 0;
    console.log(results)
    results.forEach(function(item) {
       
        tileText["text" + (i + 1)] = item.title+", "+item.subtitle;
        
        tileText["image"+(i+1)+"src"]=item.imagePath;        
        i++;
    });
   
   if(tileType!="Wide")
   {
       xml = wns.createTileSquarePeekImageAndText04(tileText);
      
   }else
   {
        xml = wns.createTileWideImageAndText01(tileText);
   }
  
    response.set('content-type', 'application/xml');
    response.send(200, xml);
}


};

and i have 5 items to come as notifications for that i am taking foreach and caling five times the service but the queue is not working, here i am calling service two times one is for wide tile and another is for square tile notifications like below in app.cs file

TileUpdateManager.CreateTileUpdaterForApplication().EnableNotificationQueue(true);
                            foreach (var item in itms)
                            {
                                TileUpdateManager.CreateTileUpdaterForApplication().StartPeriodicUpdate(
                                    new System.Uri(App.MobileService.ApplicationUri, "/api/tiles?itemId=" + item.UniqueId ),DateTimeOffset.UtcNow.AddSeconds(1),
                                    PeriodicUpdateRecurrence.TwelveHours);
                                TileUpdateManager.CreateTileUpdaterForApplication().StartPeriodicUpdate(
                                   new System.Uri(App.MobileService.ApplicationUri, "/api/tiles?itemId=" + item.UniqueId + "&tileType=Square"),
                                   PeriodicUpdateRecurrence.HalfHour);
                            }