Parse config fetching on appcelerator app

fetch.parse.config.js

var parseURL = "https://api.parse.com/1/config";
 
var xhr = Ti.Network.createHTTPClient({
	onload: function(e) {
	    //Ti.API.info(this.responseText);
	    //alert('success');
	 
	    var response = JSON.parse(this.responseText);
	    response = response.params;
	 
	    Ti.API.info(response);
	    alert('success');
	},
    onerror: function(e) {
    	Ti.API.info(" ERROR " + this.responseText + " -- " +e);
    	//alert('Error Getting Key Values');
	},
	timeout:10000  /* in milliseconds */
});
 
xhr.open("GET", parseURL);
 
xhr.setRequestHeader('X-Parse-Application-Id', "APPID");
xhr.setRequestHeader('X-Parse-REST-API-Key', "APIKEY");
xhr.setRequestHeader('Content-Type', 'application/json');
 
xhr.send(null);