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  <div class="container"></div>


.container {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    min-width: 320px;


                // NOTE: This codepen uses for static assets and authentication. The token used is a readonly token accessing public data in a demo enterprise.

// How to use this CodePen:
// 1. Get started with Box Platform and create an application:

// 2. Generate an access token using an SDK or use a developer token from -> your application -> configuration in the left sidebar -> Generate Developer Token. See for various scopes you can use for the explorer.

// 3. Whitelist '' and '' in your CORS allowed origins in -> your application -> configuration in the left sidebar -> CORS Domains

// 4. Choose a folder ID or use '0' for the root folder.

// 5. Enter your access token below, replacing the existing access token. Replace the folder ID with yours from step 4.

var contentExplorer = new Box.ContentExplorer();

// See

var addExtraHeaders = (config /* */) => {
    config.headers['X-Custom-Header'] = 'MyCustomHeaderValue';
    return config;

var filterItemNamesThatStartWithSample = (response /* */) => {
    var method = response.config.method;
    var parsedUrl = response.config.parsedUrl;
    var api = parsedUrl.api;
    var item_collection =;
    if (method === 'get' && /^\/folders/.test(api) && !!item_collection) {
        var entries = item_collection.entries;
        var originalLength = entries.length;
        item_collection.entries = entries.filter((item) =>'A Sample'));
        var newLength = item_collection.entries.length;
        item_collection.total_count -= (originalLength - newLength);
    return response;

// Show the content explorer with interceptors, configData.ACCESS_TOKEN, {
    container: '.container',
    requestInterceptor: addExtraHeaders,
    responseInterceptor: filterItemNamesThatStartWithSample