diff --git a/packages/hms_room_kit/lib/src/common/constants.dart b/packages/hms_room_kit/lib/src/common/constants.dart
index 8e7830968..ebd617396 100644
--- a/packages/hms_room_kit/lib/src/common/constants.dart
+++ b/packages/hms_room_kit/lib/src/common/constants.dart
@@ -9,7 +9,10 @@ class Constant {
       "https://public.app.100ms.live/meeting/xvm-wxwo-gbl";
 
   /// [Constant.roomCode] is the meeting code that will be used
-  static String roomCode = "";
+  static String? roomCode = "";
+
+  ///[Constant.authToken] is auth token to join the room
+  static String? authToken = "";
 
   /// [Constant.streamingUrl] is the streaming url that will be used
   static String streamingUrl = "";
diff --git a/packages/hms_room_kit/lib/src/hms_prebuilt.dart b/packages/hms_room_kit/lib/src/hms_prebuilt.dart
index 751c81390..60c274060 100644
--- a/packages/hms_room_kit/lib/src/hms_prebuilt.dart
+++ b/packages/hms_room_kit/lib/src/hms_prebuilt.dart
@@ -15,7 +15,10 @@ class HMSPrebuilt extends StatelessWidget {
   ///
   /// Example: For the public Room: https://public.app.100ms.live/meeting/xvm-wxwo-gbl
   /// The room code is: xvm-wxwo-gbl
-  final String roomCode;
+  final String? roomCode;
+
+  ///[token]: The auth token to join the room
+  final String? authToken;
 
   ///The options for the prebuilt
   ///For more details checkout the [HMSPrebuiltOptions] class
@@ -28,8 +31,17 @@ class HMSPrebuilt extends StatelessWidget {
   final Function? onLeave;
 
   ///The key for the widget
-  const HMSPrebuilt(
-      {super.key, required this.roomCode, this.options, this.onLeave});
+  HMSPrebuilt(
+      {super.key,
+      required this.roomCode,
+      this.options,
+      this.onLeave,
+      this.authToken}) {
+    if (roomCode == null && authToken == null) {
+      throw ArgumentError.notNull(
+          "At least one parameter roomCode or authToken must be provided.");
+    }
+  }
 
   ///Builds the widget
   ///Returns a [ScreenController] widget
@@ -45,6 +57,7 @@ class HMSPrebuilt extends StatelessWidget {
   Widget build(BuildContext context) {
     return ScreenController(
       roomCode: roomCode,
+      authToken: authToken,
       options: options,
       onLeave: onLeave,
     );
diff --git a/packages/hms_room_kit/lib/src/meeting/meeting_page.dart b/packages/hms_room_kit/lib/src/meeting/meeting_page.dart
index 0f62f54d1..89b1f5cca 100644
--- a/packages/hms_room_kit/lib/src/meeting/meeting_page.dart
+++ b/packages/hms_room_kit/lib/src/meeting/meeting_page.dart
@@ -28,18 +28,13 @@ import 'package:hms_room_kit/src/widgets/common_widgets/hms_left_room_screen.dar
 
 ///[MeetingPage] is the main page of the meeting
 ///It takes the following parameters:
-///[meetingLink] is the link of the meeting
 ///[isRoomMute] is the flag to mute the room
 class MeetingPage extends StatefulWidget {
-  final String meetingLink;
   final bool isRoomMute;
   final HMSAudioDevice currentAudioDeviceMode;
 
   const MeetingPage(
-      {Key? key,
-      required this.meetingLink,
-      this.isRoomMute = true,
-      required this.currentAudioDeviceMode})
+      {Key? key, this.isRoomMute = true, required this.currentAudioDeviceMode})
       : super(key: key);
 
   @override
diff --git a/packages/hms_room_kit/lib/src/meeting/meeting_store.dart b/packages/hms_room_kit/lib/src/meeting/meeting_store.dart
index 81f7817fb..8218a2d69 100644
--- a/packages/hms_room_kit/lib/src/meeting/meeting_store.dart
+++ b/packages/hms_room_kit/lib/src/meeting/meeting_store.dart
@@ -153,7 +153,6 @@ class MeetingStore extends ChangeNotifier
 
   bool isMessageInfoShown = true;
 
-  String meetingUrl = "";
   bool isAudioShareStarted = false;
 
   List<HMSAudioDevice> availableAudioOutputDevices = [];
@@ -263,17 +262,22 @@ class MeetingStore extends ChangeNotifier
   ///List of bottom sheets currently open
   List<BuildContext> bottomSheets = [];
 
-  Future<HMSException?> join(String userName, String roomCode,
-      {HMSConfig? roomConfig}) async {
+  Future<HMSException?> join(String userName, {HMSConfig? roomConfig}) async {
     //If roomConfig is null then only we call the methods to get the authToken
     //If we are joining the room from preview we already have authToken so we don't
     //need to call the getAuthTokenByRoomCode method
     if (roomConfig == null) {
       //We use this to get the auth token from room code
-      dynamic tokenData = await _hmsSDKInteractor.getAuthTokenByRoomCode(
-          userId: Constant.prebuiltOptions?.userId,
-          roomCode: Constant.roomCode,
-          endPoint: Constant.tokenEndPoint);
+      dynamic tokenData;
+
+      if (Constant.roomCode != null) {
+        await _hmsSDKInteractor.getAuthTokenByRoomCode(
+            userId: Constant.prebuiltOptions?.userId,
+            roomCode: Constant.roomCode!,
+            endPoint: Constant.tokenEndPoint);
+      } else {
+        tokenData = Constant.authToken;
+      }
 
       ///If the tokenData is String then we set the authToken in the roomConfig
       ///and then we join the room
@@ -300,7 +304,6 @@ class MeetingStore extends ChangeNotifier
     setMeetingModeUsingLayoutApi();
     _hmsSDKInteractor.join(config: roomConfig);
     setRecipientSelectorValue();
-    meetingUrl = roomCode;
     return null;
   }
 
diff --git a/packages/hms_room_kit/lib/src/meeting_screen_controller.dart b/packages/hms_room_kit/lib/src/meeting_screen_controller.dart
index 490e4565e..26a2ae744 100644
--- a/packages/hms_room_kit/lib/src/meeting_screen_controller.dart
+++ b/packages/hms_room_kit/lib/src/meeting_screen_controller.dart
@@ -14,9 +14,6 @@ import 'package:hms_room_kit/src/meeting/meeting_store.dart';
 ///[MeetingScreenController] is the controller for the meeting screen
 ///It is used to join the room
 class MeetingScreenController extends StatefulWidget {
-  ///[roomCode] is the room code of the room to join
-  final String roomCode;
-
   ///[user] is the name of the user joining the room
   final String user;
 
@@ -48,7 +45,6 @@ class MeetingScreenController extends StatefulWidget {
 
   const MeetingScreenController(
       {Key? key,
-      required this.roomCode,
       required this.user,
       required this.localPeerNetworkQuality,
       this.isRoomMute = false,
@@ -97,7 +93,6 @@ class _MeetingScreenControllerState extends State<MeetingScreenController> {
                 value: _hlsPlayerStore, child: const HLSViewerPage());
           }
           return MeetingPage(
-            meetingLink: widget.roomCode,
             isRoomMute: widget.isRoomMute,
             currentAudioDeviceMode: widget.currentAudioDeviceMode,
           );
diff --git a/packages/hms_room_kit/lib/src/preview/preview_page.dart b/packages/hms_room_kit/lib/src/preview/preview_page.dart
index 3215c8e03..0336c560d 100644
--- a/packages/hms_room_kit/lib/src/preview/preview_page.dart
+++ b/packages/hms_room_kit/lib/src/preview/preview_page.dart
@@ -27,14 +27,9 @@ import 'package:hms_room_kit/src/meeting/meeting_store.dart';
 ///This renders the Preview Screen
 class PreviewPage extends StatefulWidget {
   final String name;
-  final String roomCode;
   final HMSPrebuiltOptions? options;
 
-  const PreviewPage(
-      {super.key,
-      required this.name,
-      required this.roomCode,
-      required this.options});
+  const PreviewPage({super.key, required this.name, required this.options});
   @override
   State<PreviewPage> createState() => _PreviewPageState();
 }
@@ -77,8 +72,7 @@ class _PreviewPageState extends State<PreviewPage> {
       _setMeetingStore(previewStore);
 
       /// We join the room here
-      HMSException? ans = await _meetingStore.join(
-          nameController.text.trim(), Constant.roomCode);
+      HMSException? ans = await _meetingStore.join(nameController.text.trim());
 
       ///If the room join fails we show the error dialog
       if (ans != null && mounted) {
@@ -149,17 +143,21 @@ class _PreviewPageState extends State<PreviewPage> {
               previewStore.isMeetingJoined = false,
               previewStore.hmsSDKInteractor.leave(),
               HMSThemeColors.resetLayoutColors(),
-              Navigator.pushReplacement(
-                  context,
-                  CupertinoPageRoute(
-                      builder: (_) => ScreenController(
-                            roomCode: Constant.roomCode,
-                            options: widget.options,
-                          ))),
+              navigateBack()
             }
         });
   }
 
+  void navigateBack() {
+    Navigator.pushReplacement(
+        context,
+        CupertinoPageRoute(
+            builder: (_) => ScreenController(
+                  roomCode: Constant.roomCode,
+                  options: widget.options,
+                )));
+  }
+
   @override
   Widget build(BuildContext context) {
     var size = MediaQuery.of(context).size;
@@ -188,7 +186,6 @@ class _PreviewPageState extends State<PreviewPage> {
                       value: _meetingStore,
                       child: MeetingScreenController(
                           role: previewStore.peer?.role,
-                          roomCode: Constant.roomCode,
                           localPeerNetworkQuality: null,
                           user: nameController.text,
                           isRoomMute: previewStore.isRoomMute,
diff --git a/packages/hms_room_kit/lib/src/preview/preview_permissions.dart b/packages/hms_room_kit/lib/src/preview/preview_permissions.dart
index f358e79f9..2c1b25221 100644
--- a/packages/hms_room_kit/lib/src/preview/preview_permissions.dart
+++ b/packages/hms_room_kit/lib/src/preview/preview_permissions.dart
@@ -15,15 +15,10 @@ import 'package:hms_room_kit/src/widgets/hms_buttons/hms_back_button.dart';
 
 ///This renders the preview permissions screen
 class PreviewPermissions extends StatefulWidget {
-  final String roomCode;
   final HMSPrebuiltOptions? options;
   final void Function() callback;
 
-  const PreviewPermissions(
-      {super.key,
-      required this.roomCode,
-      this.options,
-      required this.callback});
+  const PreviewPermissions({super.key, this.options, required this.callback});
 
   @override
   State<PreviewPermissions> createState() => _PreviewPermissionsState();
diff --git a/packages/hms_room_kit/lib/src/preview/preview_store.dart b/packages/hms_room_kit/lib/src/preview/preview_store.dart
index fdacdf39b..a839e690b 100644
--- a/packages/hms_room_kit/lib/src/preview/preview_store.dart
+++ b/packages/hms_room_kit/lib/src/preview/preview_store.dart
@@ -45,8 +45,6 @@ class PreviewStore extends ChangeNotifier
 
   int? networkQuality;
 
-  String meetingUrl = "";
-
   bool isRoomMute = false;
 
   List<HMSRole> roles = [];
@@ -108,13 +106,18 @@ class PreviewStore extends ChangeNotifier
     notifyListeners();
   }
 
-  Future<HMSException?> startPreview(
-      {required String userName, required String roomCode}) async {
+  Future<HMSException?> startPreview({required String userName}) async {
     //We use this to get the auth token from room code
-    dynamic tokenData = await hmsSDKInteractor.getAuthTokenByRoomCode(
-        userId: Constant.prebuiltOptions?.userId,
-        roomCode: roomCode,
-        endPoint: Constant.tokenEndPoint);
+
+    dynamic tokenData;
+    if (Constant.roomCode != null) {
+      tokenData = await hmsSDKInteractor.getAuthTokenByRoomCode(
+          userId: Constant.prebuiltOptions?.userId,
+          roomCode: Constant.roomCode!,
+          endPoint: Constant.tokenEndPoint);
+    } else {
+      tokenData = Constant.authToken;
+    }
 
     if ((tokenData is String?) && tokenData != null) {
       roomConfig = HMSConfig(
@@ -133,7 +136,6 @@ class PreviewStore extends ChangeNotifier
           Constant.webRTCLogLevel, Constant.sdkLogLevel);
       hmsSDKInteractor.addPreviewListener(this);
       hmsSDKInteractor.preview(config: roomConfig!);
-      meetingUrl = roomCode;
       return null;
     }
     return tokenData;
diff --git a/packages/hms_room_kit/lib/src/screen_controller.dart b/packages/hms_room_kit/lib/src/screen_controller.dart
index 006576058..64630bde3 100644
--- a/packages/hms_room_kit/lib/src/screen_controller.dart
+++ b/packages/hms_room_kit/lib/src/screen_controller.dart
@@ -18,7 +18,10 @@ import 'package:hms_room_kit/src/preview/preview_store.dart';
 ///For more details checkout the [HMSPrebuiltOptions] class
 class ScreenController extends StatefulWidget {
   ///[roomCode] is the room code of the room to join
-  final String roomCode;
+  final String? roomCode;
+
+  ///[token] auth token to join the room
+  final String? authToken;
 
   ///[options] is the options for the prebuilt
   ///For more details checkout the [HMSPrebuiltOptions] class
@@ -30,7 +33,11 @@ class ScreenController extends StatefulWidget {
   final Function? onLeave;
 
   const ScreenController(
-      {super.key, required this.roomCode, this.options, this.onLeave});
+      {super.key,
+      required this.roomCode,
+      this.options,
+      this.onLeave,
+      this.authToken});
   @override
   State<ScreenController> createState() => _ScreenControllerState();
 }
@@ -48,6 +55,7 @@ class _ScreenControllerState extends State<ScreenController> {
     ///Setting the prebuilt options and roomCode
     Constant.prebuiltOptions = widget.options;
     Constant.roomCode = widget.roomCode;
+    Constant.authToken = widget.authToken;
     Constant.onLeave = widget.onLeave;
 
     ///Here we set the endPoints if it's non-null
@@ -112,7 +120,7 @@ class _ScreenControllerState extends State<ScreenController> {
     await _hmsSDKInteractor.build();
     _previewStore = PreviewStore(hmsSDKInteractor: _hmsSDKInteractor);
     HMSException? ans = await _previewStore.startPreview(
-        userName: widget.options?.userName ?? "", roomCode: Constant.roomCode);
+        userName: widget.options?.userName ?? "");
 
     ///If preview fails then we show the error dialog
     ///with the error message and description
@@ -159,12 +167,10 @@ class _ScreenControllerState extends State<ScreenController> {
               ? ListenableProvider.value(
                   value: _previewStore,
                   child: PreviewPage(
-                    roomCode: Constant.roomCode,
                     name: widget.options?.userName?.trim() ?? "",
                     options: widget.options,
                   ))
               : PreviewPermissions(
-                  roomCode: Constant.roomCode,
                   options: widget.options,
                   callback: _isPermissionGrantedCallback),
     );