diff --git a/README.md b/README.md
index c4f7491..a64a8a8 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,7 @@ To get started, clone the repo:
    | Variable                   | Description |
    | -----------------------|-------------|
    | authEndpoint          | Required, your Video SDK auth endpoint that securely generates a Video SDK JWT. [Get a Video SDK auth endpoint here.](https://github.com/zoom/videosdk-auth-endpoint-sample) |
-   | config | Your Video SDK [session details](https://developers.zoom.us/docs/video-sdk/web/ui-toolkit/#join-session) and [enabled features](https://developers.zoom.us/docs/video-sdk/web/ui-toolkit/#supported-features). The `videoSDKJWT` will be set from the response of your `authEndpoint`. |
+   | config | Your Video SDK [session details](https://developers.zoom.us/docs/video-sdk/web/ui-toolkit/#create-a-configuration-object) and [enabled features](https://developers.zoom.us/docs/video-sdk/web/ui-toolkit/#supported-features). The `videoSDKJWT` will be set from the response of your `authEndpoint`. |
    | role | Required, `0` to specify participant, `1` to specify host. |
 
    Example:
@@ -42,7 +42,13 @@ To get started, clone the repo:
       sessionName: 'test',
       userName: 'ZoomDev',
       sessionPasscode: '123',
-      features: ['video', 'audio', 'settings', 'users', 'chat', 'share']
+      features: ['preview', 'video', 'audio', 'settings', 'users', 'chat', 'share'],
+      options: { init: {}, audio: {}, video: {}, share: {}},
+      virtualBackground: {
+         allowVirtualBackground: true,
+         allowVirtualBackgroundUpload: true,
+         virtualBackgrounds: ['https://images.unsplash.com/photo-1715490187538-30a365fa05bd?q=80&w=1945&auto=format&fit=crop']
+      }
    };
    var role = 1
    ```
diff --git a/package-lock.json b/package-lock.json
index 07c6ac0..c03832e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,17 +1,17 @@
 {
   "name": "videosdk-ui-toolkit-react-sample",
-  "version": "1.10.8-1",
+  "version": "1.12.1-1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "videosdk-ui-toolkit-react-sample",
-      "version": "1.10.8-1",
+      "version": "1.12.1-1",
       "dependencies": {
         "@testing-library/jest-dom": "^5.16.5",
         "@testing-library/react": "^13.4.0",
         "@testing-library/user-event": "^13.5.0",
-        "@zoom/videosdk-ui-toolkit": "^1.10.8-1",
+        "@zoom/videosdk-ui-toolkit": "^1.12.1-1",
         "react": "^18.2.0",
         "react-dom": "^18.2.0",
         "react-scripts": "5.0.1",
@@ -4809,9 +4809,10 @@
       "integrity": "sha512-NuHqBY1PB/D8xU6s/thBgOAiAP7HOYDQ32+BFZILJ8ivkUkAHQnWfn6WhL79Owj1qmUnoN/YPhktdIoucipkAQ=="
     },
     "node_modules/@zoom/videosdk-ui-toolkit": {
-      "version": "1.10.8-1",
-      "resolved": "https://registry.npmjs.org/@zoom/videosdk-ui-toolkit/-/videosdk-ui-toolkit-1.10.8-1.tgz",
-      "integrity": "sha512-zwh0e+4/tKgwbXgebn9GTgN+zcP4lehtHZWjmrZxwrT6ZogWnB5l1sRzHIQg3rqAMkmTjzx86KRsje5uSKgJpA=="
+      "version": "1.12.1-1",
+      "resolved": "https://registry.npmjs.org/@zoom/videosdk-ui-toolkit/-/videosdk-ui-toolkit-1.12.1-1.tgz",
+      "integrity": "sha512-6C5EnC62cn5zSK5QoTr46BilKDaitaOq02vX3M3a5nVaJiMobSGFOUywSA1IDTwtdKMRnx5u6QY+maBgV7pMQw==",
+      "license": "SEE LICENSE IN LICENSE.md"
     },
     "node_modules/abab": {
       "version": "2.0.6",
diff --git a/package.json b/package.json
index cf45046..7f3fefc 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "videosdk-ui-toolkit-react-sample",
-  "version": "1.10.8-1",
+  "version": "1.12.1-1",
   "author": "Zoom Video Communications, Inc.",
   "contributors": [
     {
@@ -13,7 +13,7 @@
     "@testing-library/jest-dom": "^5.16.5",
     "@testing-library/react": "^13.4.0",
     "@testing-library/user-event": "^13.5.0",
-    "@zoom/videosdk-ui-toolkit": "^1.10.8-1",
+    "@zoom/videosdk-ui-toolkit": "^1.12.1-1",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-scripts": "5.0.1",
diff --git a/src/App.js b/src/App.js
index 3976fa6..b9f7260 100644
--- a/src/App.js
+++ b/src/App.js
@@ -12,7 +12,13 @@ function App() {
       sessionName: 'test',
       userName: 'React',
       sessionPasscode: '123',
-      features: ['video', 'audio', 'settings', 'users', 'chat', 'share']
+      features: ['preview', 'video', 'audio', 'settings', 'users', 'chat', 'share'],
+      options: { init: {}, audio: {}, video: {}, share: {}},
+      virtualBackground: {
+         allowVirtualBackground: true,
+         allowVirtualBackgroundUpload: true,
+         virtualBackgrounds: ['https://images.unsplash.com/photo-1715490187538-30a365fa05bd?q=80&w=1945&auto=format&fit=crop']
+      }
   };
   var role = 1
 
@@ -23,6 +29,7 @@ function App() {
 
     fetch(authEndpoint, {
       method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
       body: JSON.stringify({
         sessionName:  config.sessionName,
         role: role,