I tried retrieving List items from the List(Marketplace) I created in the Hostweb using REST services in NAPA app , Set the permissions for Web, Site Collection, List to Full Control, Please helpe me what is blocking me!! I see that the Error code is executing, I tried adding alert in SuccessHandler but it doesn't show.. Any Help is appreciated

Code in App.js :

'use strict';

var context = SP.ClientContext.get_current();
var user = context.get_web().get_currentUser();
var hostweburl;
var appweburl;

(function () {

// This code runs when the DOM is ready and creates a context object which is 
// needed to use the SharePoint object model
$(document).ready(function () {
    hostweburl = decodeURIComponent(getQueryStringParameter("SPHostUrl"));
    appweburl  = decodeURIComponent(getQueryStringParameter("SPAppWebUrl"));
    var scriptbase = hostweburl + "/_layouts/15/";
    $.getScript(scriptbase + "SP.RequestExecutor.js", getlistitems);
 function getQueryStringParameter(paramToRetrieve) 
var params = document.URL.split("?")[1].split("&");
var strParams = "";
for (var i = 0; i < params.length; i = i + 1) 
    var singleParam = params[i].split("=");
    if (singleParam[0] == paramToRetrieve)
           return singleParam[1];

  function getlistitems() 
    // executor: The RequestExecutor object
    // Initialize the RequestExecutor with the app web URL.
    var executor = new SP.RequestExecutor(appweburl);

// Issue the call against the app web.
// To get the title using REST we can hit the endpoint:
//      appweburl/_api/web/lists/getbytitle('listname')/items
// The response formats the data in the JSON format.
// The functions successHandler and errorHandler attend the
//      sucess and error events respectively.
            appweburl +
        method: "GET",
        headers: { "Accept": "application/json; odata=verbose" },
        success: successHandler,
        error: errorHandler


// Function to handle the success event.
// Prints the data to the page.
  function successHandler(data) 

var jsonObject = JSON.parse(data.body);
var marketplaceHTML = "";
var results = jsonObject.d.results;

for (var i = 0; i < results.length; i++) 
    marketplaceHTML = marketplaceHTML + "<p><h1>" + results[i].Title + "</h1>" +   results[i].Description + "</p><hr>";

document.getElementById("renderMarketplace").innerHTML = marketplaceHTML;


// Function to handle the error event.
// Prints the error message to the page.
  function errorHandler(data, errorCode, errorMessage) 
    document.getElementById("renderMarketplace").innerText = "Could not complete cross-domain call: " + errorMessage;

// This function prepares, loads, and then executes a SharePoint query to get 
// the current users information
function getUserName() {
    context.executeQueryAsync(onGetUserNameSuccess, onGetUserNameFail);

// This function is executed if the above call is successful
// It replaces the contents of the 'message' element with the user name
function onGetUserNameSuccess() {
    $('#message').text('Hello ' + user.get_title());

// This function is executed if the above call fails
function onGetUserNameFail(sender, args) {
    alert('Failed to get user name. Error:' + args.get_message());


Code in Default.aspx

I have just added the below Div with ID "renderMarketplace"

    <p id="message">
        <!-- The following content will be replaced with the user name when you run the app - see App.js -->
<div id="renderMarketplace"></div>

Error I get:

enter image description here

  • Have you added in the listname var to Nadeem's code which is correct. Also check the name of your list. S – Stephen Jan 28 '14 at 15:19
  • I passed List name as below, I don't think I need to attach the listname to a variable and call it in my function url: appweburl + "/_api/web/lists/getbytitle('Marketplace')/items", – kart Jan 28 '14 at 15:55
  • Well in Nadeem's code yes you do. The error you got was saying that the list was not found... – Stephen Jan 28 '14 at 16:02
  • This does not provide an answer to the question. To critique or request clarification from an author, leave a comment below their post. – Waqas Sarwar MVP Jan 10 '15 at 17:31
// READ opperation
// listName: The name of the list you want to get items from
// siteurl: The url of the site that the list is in.
// success: The function to execute if the call is sucesfull
// failure: The function to execute if the call fails
function getListItems(listName, siteurl, success, failure) {
        url: siteurl + "/_api/web/lists/getbytitle('" + listName + "')/items",
        method: "GET",
        headers: { "Accept": "application/json; odata=verbose" },
        success: function (data) {
        error: function (data) {

// CREATE Operation
// listName: The name of the list you want to get items from
// siteurl: The url of the site that the list is in. // title: The value of the title field for the new item
// success: The function to execute if the call is sucesfull
// failure: The function to execute if the call fails
function createListItemWithDetails(listName, siteUrl, title, success, failure) {

    var itemType = GetItemTypeForListName(listName);
    var item = {
        "__metadata": { "type": itemType },
        "Title": title

        url: siteUrl + "/_api/web/lists/getbytitle('" + listName + "')/items",
        type: "POST",
        contentType: "application/json;odata=verbose",
        data: JSON.stringify(item),
        headers: {
            "Accept": "application/json;odata=verbose",
            "X-RequestDigest": $("#__REQUESTDIGEST").val()
        success: function (data) {
        error: function (data) {

Taken from http://blogs.msdn.com/b/uksharepoint/archive/2013/02/22/manipulating-list-items-in-sharepoint-hosted-apps-using-the-rest-api.aspx

Following post will show you how to create an app using NAPA and client object model. You can replace the client object code and use REST http://sharepointnadeem.blogspot.com/2013/12/sharepoint-2013-develop-sharepoint-2013.html

  • The answer of Nadeem in above is right for your situation and you can refer here for completely basic operations using Sharepoint 2013 RESTs endpoint. http://msdn.microsoft.com/en-us/library/jj164022.aspx – MikeTran13 Jan 24 '14 at 7:48
  • Nadeem - Thanks for your help, it really helped me understand how it goes.But Apologies!! I am trying NAPA app with JSOM and REST services for first time... I made edits to the above question... Let me know if I am doing anything wrong here – kart Jan 28 '14 at 14:47
  • Mike- Appreciate your help, i have tried the above way.. let me know if I am missing anything – kart Jan 28 '14 at 14:49
  • 1
    You need to use AppContextSite(@target) when constructing a list url of the host web in REST. See this example: cann0nf0dder.wordpress.com/2013/04/14/… – Nadeem Yousuf-AIS Jan 28 '14 at 15:19
  • I added the same but i get the same error.. What Should be @target? – kart Jan 28 '14 at 15:52

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