diff --git a/docs/maps/api-player.md b/docs/maps/api-player.md
index f483731e..ed73c32d 100644
--- a/docs/maps/api-player.md
+++ b/docs/maps/api-player.md
@@ -1,6 +1,63 @@
 {.section-title.accent.text-primary}
 # API Player functions Reference
 
+### Get the player name
+
+```
+WA.player.name: string;
+```
+
+The player name is available from the `WA.player.name` property.
+
+{.alert.alert-info}
+You need to wait for the end of the initialization before accessing `WA.player.name`
+
+```typescript
+WA.onInit().then(() => {
+    console.log('Player name: ', WA.player.name);
+})
+```
+
+### Get the player ID
+
+```
+WA.player.id: string|undefined;
+```
+
+The player ID is available from the `WA.player.id` property.
+This is a unique identifier for a given player. Anonymous player might not have an id.
+
+{.alert.alert-info}
+You need to wait for the end of the initialization before accessing `WA.player.id`
+
+```typescript
+WA.onInit().then(() => {
+    console.log('Player ID: ', WA.player.id);
+})
+```
+
+### Get the tags of the player
+
+```
+WA.player.tags: string[];
+```
+
+The player tags are available from the `WA.player.tags` property.
+They represent a set of rights the player acquires after login in.
+
+{.alert.alert-warn}
+Tags attributed to a user depend on the authentication system you are using. For the hosted version
+of WorkAdventure, you can define tags related to the user in the [administration panel](https://workadventu.re/admin-guide/manage-members).
+
+{.alert.alert-info}
+You need to wait for the end of the initialization before accessing `WA.player.tags`
+
+```typescript
+WA.onInit().then(() => {
+    console.log('Tags: ', WA.player.tags);
+})
+```
+
 ### Listen to player movement
 ```
 WA.player.onPlayerMove(callback: HasPlayerMovedEventCallback): void;
@@ -18,4 +75,4 @@ The event has the following attributes :
 Example :
 ```javascript
 WA.player.onPlayerMove(console.log);
-```
\ No newline at end of file
+```
diff --git a/docs/maps/api-room.md b/docs/maps/api-room.md
index a307b2da..ad79f246 100644
--- a/docs/maps/api-room.md
+++ b/docs/maps/api-room.md
@@ -75,44 +75,58 @@ Example :
 WA.room.setProperty('wikiLayer', 'openWebsite', 'https://www.wikipedia.org/');
 ```
 
-### Getting information on the current room
-```
-WA.room.getCurrentRoom(): Promise<Room>
-```
-Return a promise that resolves to a `Room` object with the following attributes :
-* **id (string) :** ID of the current room
-* **map (ITiledMap) :** contains the JSON map file with the properties that were set by the script if `setProperty` was called.
-* **mapUrl (string) :** Url of the JSON map file
-* **startLayer (string | null) :** Name of the layer where the current user started, only if different from `start` layer
+### Get the room id
 
-Example :
-```javascript
-WA.room.getCurrentRoom((room) => {
-    if (room.id === '42') {
-        console.log(room.map);
-        window.open(room.mapUrl, '_blank');
-    }
+```
+WA.room.id: string;
+```
+
+The ID of the current room is available from the `WA.room.id` property.
+
+{.alert.alert-info}
+You need to wait for the end of the initialization before accessing `WA.room.id`
+
+```typescript
+WA.onInit().then(() => {
+    console.log('Room id: ', WA.room.id);
+    // Will output something like: '/@/myorg/myworld/myroom', or '/_/global/mymap.org/map.json"
 })
 ```
 
-### Getting information on the current user
-```
-WA.player.getCurrentUser(): Promise<User>
-```
-Return a promise that resolves to a `User` object with the following attributes :
-* **id (string) :** ID of the current user
-* **nickName (string) :** name displayed above the current user
-* **tags (string[]) :** list of all the tags of the current user
+### Get the map URL
 
-Example :
-```javascript
-WA.room.getCurrentUser().then((user) => {
-    if (user.nickName === 'ABC') {
-        console.log(user.tags);
-    }
+```
+WA.room.mapURL: string;
+```
+
+The URL of the map is available from the `WA.room.mapURL` property.
+
+{.alert.alert-info}
+You need to wait for the end of the initialization before accessing `WA.room.mapURL`
+
+```typescript
+WA.onInit().then(() => {
+    console.log('Map URL: ', WA.room.mapURL);
+    // Will output something like: 'https://mymap.org/map.json"
 })
 ```
 
+
+
+### Getting map data
+```
+WA.room.getMap(): Promise<ITiledMap>
+```
+
+Returns a promise that resolves to the JSON map file.
+
+```javascript
+const map = await WA.room.getMap();
+console.log("Map generated with Tiled version ", map.tiledversion);
+```
+
+Check the [Tiled documentation to learn more about the format of the JSON map](https://doc.mapeditor.org/en/stable/reference/json-map-format/).
+
 ### Changing tiles 
 ```
 WA.room.setTiles(tiles: TileDescriptor[]): void
diff --git a/front/src/Api/Events/GameStateEvent.ts b/front/src/Api/Events/GameStateEvent.ts
index edeeef80..112c2880 100644
--- a/front/src/Api/Events/GameStateEvent.ts
+++ b/front/src/Api/Events/GameStateEvent.ts
@@ -4,10 +4,11 @@ export const isGameStateEvent = new tg.IsInterface()
     .withProperties({
         roomId: tg.isString,
         mapUrl: tg.isString,
-        nickname: tg.isUnion(tg.isString, tg.isNull),
+        nickname: tg.isString,
         uuid: tg.isUnion(tg.isString, tg.isUndefined),
         startLayerName: tg.isUnion(tg.isString, tg.isNull),
         tags: tg.isArray(tg.isString),
+        variables: tg.isObject,
     })
     .get();
 /**
diff --git a/front/src/Api/Events/IframeEvent.ts b/front/src/Api/Events/IframeEvent.ts
index 83d0e12e..613ae525 100644
--- a/front/src/Api/Events/IframeEvent.ts
+++ b/front/src/Api/Events/IframeEvent.ts
@@ -9,7 +9,7 @@ import type { OpenCoWebSiteEvent } from "./OpenCoWebSiteEvent";
 import type { OpenPopupEvent } from "./OpenPopupEvent";
 import type { OpenTabEvent } from "./OpenTabEvent";
 import type { UserInputChatEvent } from "./UserInputChatEvent";
-import type { DataLayerEvent } from "./DataLayerEvent";
+import type { MapDataEvent } from "./MapDataEvent";
 import type { LayerEvent } from "./LayerEvent";
 import type { SetPropertyEvent } from "./setPropertyEvent";
 import type { LoadSoundEvent } from "./LoadSoundEvent";
@@ -19,8 +19,6 @@ import type { MenuItemRegisterEvent } from "./ui/MenuItemRegisterEvent";
 import type { HasPlayerMovedEvent } from "./HasPlayerMovedEvent";
 import type { SetTilesEvent } from "./SetTilesEvent";
 import type { SetVariableEvent } from "./SetVariableEvent";
-import type {InitEvent} from "./InitEvent";
-
 
 export interface TypedMessageEvent<T> extends MessageEvent {
     data: T;
@@ -46,7 +44,6 @@ export type IframeEventMap = {
     showLayer: LayerEvent;
     hideLayer: LayerEvent;
     setProperty: SetPropertyEvent;
-    getDataLayer: undefined;
     loadSound: LoadSoundEvent;
     playSound: PlaySoundEvent;
     stopSound: null;
@@ -54,8 +51,6 @@ export type IframeEventMap = {
     registerMenuCommand: MenuItemRegisterEvent;
     setTiles: SetTilesEvent;
     setVariable: SetVariableEvent;
-    // A script/iframe is ready to receive events
-    ready: null;
 };
 export interface IframeEvent<T extends keyof IframeEventMap> {
     type: T;
@@ -72,10 +67,8 @@ export interface IframeResponseEventMap {
     leaveEvent: EnterLeaveEvent;
     buttonClickedEvent: ButtonClickedEvent;
     hasPlayerMoved: HasPlayerMovedEvent;
-    dataLayer: DataLayerEvent;
     menuItemClicked: MenuItemClickedEvent;
     setVariable: SetVariableEvent;
-    init: InitEvent;
 }
 export interface IframeResponseEvent<T extends keyof IframeResponseEventMap> {
     type: T;
@@ -94,8 +87,14 @@ export const isIframeResponseEventWrapper = (event: {
 export type IframeQueryMap = {
     getState: {
         query: undefined,
-        answer: GameStateEvent
+        answer: GameStateEvent,
+        callback: () => GameStateEvent|PromiseLike<GameStateEvent>
     },
+    getMapData: {
+        query: undefined,
+        answer: MapDataEvent,
+        callback: () => MapDataEvent|PromiseLike<GameStateEvent>
+    }
 }
 
 export interface IframeQuery<T extends keyof IframeQueryMap> {
diff --git a/front/src/Api/Events/InitEvent.ts b/front/src/Api/Events/InitEvent.ts
deleted file mode 100644
index 47326f81..00000000
--- a/front/src/Api/Events/InitEvent.ts
+++ /dev/null
@@ -1,10 +0,0 @@
-import * as tg from "generic-type-guard";
-
-export const isInitEvent =
-    new tg.IsInterface().withProperties({
-        variables: tg.isObject
-    }).get();
-/**
- * A message sent from the game just after an iFrame opens, to send all important data (like variables)
- */
-export type InitEvent = tg.GuardedType<typeof isInitEvent>;
diff --git a/front/src/Api/Events/DataLayerEvent.ts b/front/src/Api/Events/MapDataEvent.ts
similarity index 70%
rename from front/src/Api/Events/DataLayerEvent.ts
rename to front/src/Api/Events/MapDataEvent.ts
index 3062c1bc..f63164ed 100644
--- a/front/src/Api/Events/DataLayerEvent.ts
+++ b/front/src/Api/Events/MapDataEvent.ts
@@ -1,6 +1,6 @@
 import * as tg from "generic-type-guard";
 
-export const isDataLayerEvent = new tg.IsInterface()
+export const isMapDataEvent = new tg.IsInterface()
     .withProperties({
         data: tg.isObject,
     })
@@ -9,4 +9,4 @@ export const isDataLayerEvent = new tg.IsInterface()
 /**
  * A message sent from the game to the iFrame when the data of the layers change after the iFrame send a message to the game that it want to listen to the data of the layers
  */
-export type DataLayerEvent = tg.GuardedType<typeof isDataLayerEvent>;
+export type MapDataEvent = tg.GuardedType<typeof isMapDataEvent>;
diff --git a/front/src/Api/IframeListener.ts b/front/src/Api/IframeListener.ts
index 6caecc1f..c74e68a7 100644
--- a/front/src/Api/IframeListener.ts
+++ b/front/src/Api/IframeListener.ts
@@ -26,7 +26,7 @@ import { isLoadSoundEvent, LoadSoundEvent } from "./Events/LoadSoundEvent";
 import { isSetPropertyEvent, SetPropertyEvent } from "./Events/setPropertyEvent";
 import { isLayerEvent, LayerEvent } from "./Events/LayerEvent";
 import { isMenuItemRegisterEvent } from "./Events/ui/MenuItemRegisterEvent";
-import type { DataLayerEvent } from "./Events/DataLayerEvent";
+import type { MapDataEvent } from "./Events/MapDataEvent";
 import type { GameStateEvent } from "./Events/GameStateEvent";
 import type { HasPlayerMovedEvent } from "./Events/HasPlayerMovedEvent";
 import { isLoadPageEvent } from "./Events/LoadPageEvent";
@@ -34,8 +34,6 @@ import { handleMenuItemRegistrationEvent, isMenuItemRegisterIframeEvent } from "
 import { SetTilesEvent, isSetTilesEvent } from "./Events/SetTilesEvent";
 import { isSetVariableIframeEvent, SetVariableEvent } from "./Events/SetVariableEvent";
 
-type AnswererCallback<T extends keyof IframeQueryMap> = (query: IframeQueryMap[T]['query']) => IframeQueryMap[T]['answer']|Promise<IframeQueryMap[T]['answer']>;
-
 /**
  * Listens to messages from iframes and turn those messages into easy to use observables.
  * Also allows to send messages to those iframes.
@@ -89,9 +87,6 @@ class IframeListener {
     private readonly _setPropertyStream: Subject<SetPropertyEvent> = new Subject();
     public readonly setPropertyStream = this._setPropertyStream.asObservable();
 
-    private readonly _dataLayerChangeStream: Subject<void> = new Subject();
-    public readonly dataLayerChangeStream = this._dataLayerChangeStream.asObservable();
-
     private readonly _registerMenuCommandStream: Subject<string> = new Subject();
     public readonly registerMenuCommandStream = this._registerMenuCommandStream.asObservable();
 
@@ -118,9 +113,14 @@ class IframeListener {
     private readonly scripts = new Map<string, HTMLIFrameElement>();
     private sendPlayerMove: boolean = false;
 
-    private answerers: {
-        [key in keyof IframeQueryMap]?: AnswererCallback<key>
-    } = {};
+
+    // Note: we are forced to type this in "any" because of https://github.com/microsoft/TypeScript/issues/31904
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    private answerers: any = {};
+    /*private answerers: {
+        [key in keyof IframeQueryMap]?: (query: IframeQueryMap[key]['query']) => IframeQueryMap[key]['answer']|PromiseLike<IframeQueryMap[key]['answer']>
+    } = {};*/
+
 
     init() {
         window.addEventListener(
@@ -194,9 +194,7 @@ class IframeListener {
                     });
 
                 } else if (isIframeEventWrapper(payload)) {
-                    if (payload.type === 'ready') {
-                        this._readyStream.next();
-                    } else if (payload.type === "showLayer" && isLayerEvent(payload.data)) {
+                    if (payload.type === "showLayer" && isLayerEvent(payload.data)) {
                         this._showLayerStream.next(payload.data);
                     } else if (payload.type === "hideLayer" && isLayerEvent(payload.data)) {
                         this._hideLayerStream.next(payload.data);
@@ -239,8 +237,6 @@ class IframeListener {
                     this._removeBubbleStream.next();
                     } else if (payload.type == "onPlayerMove") {
                         this.sendPlayerMove = true;
-                    } else if (payload.type == "getDataLayer") {
-                        this._dataLayerChangeStream.next();
                     } else if (isMenuItemRegisterIframeEvent(payload)) {
                         const data = payload.data.menutItem;
                         // @ts-ignore
@@ -269,13 +265,6 @@ class IframeListener {
         );
     }
 
-    sendDataLayerEvent(dataLayerEvent: DataLayerEvent) {
-        this.postMessage({
-            type: "dataLayer",
-            data: dataLayerEvent,
-        });
-    }
-
     /**
      * Allows the passed iFrame to send/receive messages via the API.
      */
@@ -439,7 +428,7 @@ class IframeListener {
      * @param key The "type" of the query we are answering
      * @param callback
      */
-    public registerAnswerer<T extends keyof IframeQueryMap>(key: T, callback: (query: IframeQueryMap[T]['query']) => IframeQueryMap[T]['answer']|Promise<IframeQueryMap[T]['answer']> ): void {
+    public registerAnswerer<T extends keyof IframeQueryMap>(key: T, callback: (query: IframeQueryMap[T]['query']) => IframeQueryMap[T]['answer']|PromiseLike<IframeQueryMap[T]['answer']> ): void {
         this.answerers[key] = callback;
     }
 
diff --git a/front/src/Api/iframe/player.ts b/front/src/Api/iframe/player.ts
index e130d3f2..420e2d18 100644
--- a/front/src/Api/iframe/player.ts
+++ b/front/src/Api/iframe/player.ts
@@ -6,6 +6,24 @@ import { isHasPlayerMovedEvent } from "../Events/HasPlayerMovedEvent";
 
 const moveStream = new Subject<HasPlayerMovedEvent>();
 
+let playerName: string|undefined;
+
+export const setPlayerName = (name: string) => {
+    playerName = name;
+}
+
+let tags: string[]|undefined;
+
+export const setTags = (_tags: string[]) => {
+    tags = _tags;
+}
+
+let uuid: string|undefined;
+
+export const setUuid = (_uuid: string|undefined) => {
+    uuid = _uuid;
+}
+
 export class WorkadventurePlayerCommands extends IframeApiContribution<WorkadventurePlayerCommands> {
     callbacks = [
         apiCallback({
@@ -24,6 +42,29 @@ export class WorkadventurePlayerCommands extends IframeApiContribution<Workadven
             data: null,
         });
     }
+
+    get name() : string {
+        if (playerName === undefined) {
+            throw new Error('Player name not initialized yet. You should call WA.player.name within a WA.onInit callback.');
+        }
+        return playerName;
+    }
+
+    get tags() : string[] {
+        if (tags === undefined) {
+            throw new Error('Tags not initialized yet. You should call WA.player.tags within a WA.onInit callback.');
+        }
+        return tags;
+    }
+
+    get id() : string|undefined {
+        // Note: this is not a type, we are checking if playerName is undefined because playerName cannot be undefined
+        // while uuid could.
+        if (playerName === undefined) {
+            throw new Error('Player id not initialized yet. You should call WA.player.id within a WA.onInit callback.');
+        }
+        return uuid;
+    }
 }
 
 export default new WorkadventurePlayerCommands();
diff --git a/front/src/Api/iframe/room.ts b/front/src/Api/iframe/room.ts
index 623773c3..2e4f9fd5 100644
--- a/front/src/Api/iframe/room.ts
+++ b/front/src/Api/iframe/room.ts
@@ -1,6 +1,6 @@
 import {Observable, Subject} from "rxjs";
 
-import { isDataLayerEvent } from "../Events/DataLayerEvent";
+import { isMapDataEvent } from "../Events/MapDataEvent";
 import { EnterLeaveEvent, isEnterLeaveEvent } from "../Events/EnterLeaveEvent";
 import { isGameStateEvent } from "../Events/GameStateEvent";
 
@@ -11,32 +11,15 @@ import type {SetPropertyEvent} from "../Events/setPropertyEvent";
 import {isSetVariableEvent, SetVariableEvent} from "../Events/SetVariableEvent";
 
 import type { ITiledMap } from "../../Phaser/Map/ITiledMap";
-import type { DataLayerEvent } from "../Events/DataLayerEvent";
+import type { MapDataEvent } from "../Events/MapDataEvent";
 import type { GameStateEvent } from "../Events/GameStateEvent";
 
 const enterStreams: Map<string, Subject<EnterLeaveEvent>> = new Map<string, Subject<EnterLeaveEvent>>();
 const leaveStreams: Map<string, Subject<EnterLeaveEvent>> = new Map<string, Subject<EnterLeaveEvent>>();
-const dataLayerResolver = new Subject<DataLayerEvent>();
-const stateResolvers = new Subject<GameStateEvent>();
 const setVariableResolvers = new Subject<SetVariableEvent>();
 const variables = new Map<string, unknown>();
 const variableSubscribers = new Map<string, Subject<unknown>>();
 
-let immutableDataPromise: Promise<GameStateEvent> | undefined = undefined;
-
-interface Room {
-    id: string;
-    mapUrl: string;
-    map: ITiledMap;
-    startLayer: string | null;
-}
-
-interface User {
-    id: string | undefined;
-    nickName: string | null;
-    tags: string[];
-}
-
 interface TileDescriptor {
     x: number;
     y: number;
@@ -44,18 +27,16 @@ interface TileDescriptor {
     layer: string;
 }
 
-function getGameState(): Promise<GameStateEvent> {
-    if (immutableDataPromise === undefined) {
-        immutableDataPromise = queryWorkadventure({ type: "getState", data: undefined });
-    }
-    return immutableDataPromise;
+let roomId: string|undefined;
+
+export const setRoomId = (id: string) => {
+    roomId = id;
 }
 
-function getDataLayer(): Promise<DataLayerEvent> {
-    return new Promise<DataLayerEvent>((resolver, thrower) => {
-        dataLayerResolver.subscribe(resolver);
-        sendToWorkadventure({ type: "getDataLayer", data: null });
-    });
+let mapURL: string|undefined;
+
+export const setMapURL = (url: string) => {
+    mapURL = url;
 }
 
 setVariableResolvers.subscribe((event) => {
@@ -82,13 +63,6 @@ export class WorkadventureRoomCommands extends IframeApiContribution<Workadventu
                 leaveStreams.get(payloadData.name)?.next();
             },
         }),
-        apiCallback({
-            type: "dataLayer",
-            typeChecker: isDataLayerEvent,
-            callback: (payloadData) => {
-                dataLayerResolver.next(payloadData);
-            },
-        }),
         apiCallback({
             type: "setVariable",
             typeChecker: isSetVariableEvent,
@@ -130,22 +104,9 @@ export class WorkadventureRoomCommands extends IframeApiContribution<Workadventu
             },
         });
     }
-    getCurrentRoom(): Promise<Room> {
-        return getGameState().then((gameState) => {
-            return getDataLayer().then((mapJson) => {
-                return {
-                    id: gameState.roomId,
-                    map: mapJson.data as ITiledMap,
-                    mapUrl: gameState.mapUrl,
-                    startLayer: gameState.startLayerName,
-                };
-            });
-        });
-    }
-    getCurrentUser(): Promise<User> {
-        return getGameState().then((gameState) => {
-            return { id: gameState.uuid, nickName: gameState.nickname, tags: gameState.tags };
-        });
+    async getMap(): Promise<ITiledMap> {
+        const event = await queryWorkadventure({ type: "getMapData", data: undefined });
+        return event.data as ITiledMap;
     }
     setTiles(tiles: TileDescriptor[]) {
         sendToWorkadventure({
@@ -177,6 +138,21 @@ export class WorkadventureRoomCommands extends IframeApiContribution<Workadventu
         }
         return subject.asObservable();
     }
+
+
+    get id() : string {
+        if (roomId === undefined) {
+            throw new Error('Room id not initialized yet. You should call WA.room.id within a WA.onInit callback.');
+        }
+        return roomId;
+    }
+
+    get mapURL() : string {
+        if (mapURL === undefined) {
+            throw new Error('mapURL is not initialized yet. You should call WA.room.mapURL within a WA.onInit callback.');
+        }
+        return mapURL;
+    }
 }
 
 export default new WorkadventureRoomCommands();
diff --git a/front/src/Phaser/Game/GameScene.ts b/front/src/Phaser/Game/GameScene.ts
index c2a2b38d..1c522703 100644
--- a/front/src/Phaser/Game/GameScene.ts
+++ b/front/src/Phaser/Game/GameScene.ts
@@ -92,7 +92,6 @@ import { peerStore, screenSharingPeerStore } from "../../Stores/PeerStore";
 import { videoFocusStore } from "../../Stores/VideoFocusStore";
 import { biggestAvailableAreaStore } from "../../Stores/BiggestAvailableAreaStore";
 import { SharedVariablesManager } from "./SharedVariablesManager";
-import type {InitEvent} from "../../Api/Events/InitEvent";
 
 export interface GameSceneInitInterface {
     initPosition: PointInterface | null;
@@ -399,23 +398,6 @@ export class GameScene extends DirtyScene {
             });
         }
 
-
-        this.iframeSubscriptionList.push(iframeListener.readyStream.subscribe((iframe) => {
-            this.connectionAnswerPromise.then(connection => {
-                // Generate init message for an iframe
-                // TODO: merge with GameStateEvent
-                const initEvent: InitEvent = {
-                    variables: this.sharedVariablesManager.variables
-                }
-
-            });
-            // TODO: SEND INIT MESSAGE TO IFRAMES ONLY WHEN CONNECTION IS ESTABLISHED
-            // TODO: SEND INIT MESSAGE TO IFRAMES ONLY WHEN CONNECTION IS ESTABLISHED
-            // TODO: SEND INIT MESSAGE TO IFRAMES ONLY WHEN CONNECTION IS ESTABLISHED
-            // TODO: SEND INIT MESSAGE TO IFRAMES ONLY WHEN CONNECTION IS ESTABLISHED
-            // TODO: SEND INIT MESSAGE TO IFRAMES ONLY WHEN CONNECTION IS ESTABLISHED
-        }));
-
         // Now, let's load the script, if any
         const scripts = this.getScriptUrls(this.mapFile);
         for (const script of scripts) {
@@ -1061,20 +1043,24 @@ ${escapedMessage}
             })
         );
 
-        this.iframeSubscriptionList.push(
-            iframeListener.dataLayerChangeStream.subscribe(() => {
-                iframeListener.sendDataLayerEvent({ data: this.gameMap.getMap() });
-            })
-        );
+        iframeListener.registerAnswerer('getMapData', () => {
+            return {
+                data: this.gameMap.getMap()
+            }
+        });
 
-        iframeListener.registerAnswerer('getState', () => {
+        iframeListener.registerAnswerer('getState', async () => {
+            // The sharedVariablesManager is not instantiated before the connection is established. So we need to wait
+            // for the connection to send back the answer.
+            await this.connectionAnswerPromise;
             return {
                 mapUrl: this.MapUrlFile,
                 startLayerName: this.startPositionCalculator.startLayerName,
                 uuid: localUserStore.getLocalUser()?.uuid,
-                nickname: localUserStore.getName(),
+                nickname: this.playerName,
                 roomId: this.RoomId,
                 tags: this.connection ? this.connection.getAllTags() : [],
+                variables: this.sharedVariablesManager.variables,
             };
         });
         this.iframeSubscriptionList.push(
diff --git a/front/src/iframe_api.ts b/front/src/iframe_api.ts
index b27bda2d..06e3ff7e 100644
--- a/front/src/iframe_api.ts
+++ b/front/src/iframe_api.ts
@@ -11,12 +11,12 @@ import nav from "./Api/iframe/nav";
 import controls from "./Api/iframe/controls";
 import ui from "./Api/iframe/ui";
 import sound from "./Api/iframe/sound";
-import room from "./Api/iframe/room";
-import player from "./Api/iframe/player";
+import room, {setMapURL, setRoomId} from "./Api/iframe/room";
+import player, {setPlayerName, setTags, setUuid} from "./Api/iframe/player";
 import type { ButtonDescriptor } from "./Api/iframe/Ui/ButtonDescriptor";
 import type { Popup } from "./Api/iframe/Ui/Popup";
 import type { Sound } from "./Api/iframe/Sound/Sound";
-import { answerPromises, sendToWorkadventure} from "./Api/iframe/IframeApiContribution";
+import {answerPromises, queryWorkadventure, sendToWorkadventure} from "./Api/iframe/IframeApiContribution";
 
 const wa = {
     ui,
@@ -208,7 +208,15 @@ window.addEventListener(
 );
 
 // Notify WorkAdventure that we are ready to receive data
-sendToWorkadventure({
-    type: 'ready',
-    data: null
-});
+queryWorkadventure({
+    type: 'getState',
+    data: undefined
+}).then((state => {
+    setPlayerName(state.nickname);
+    setRoomId(state.roomId);
+    setMapURL(state.mapUrl);
+    setTags(state.tags);
+    setUuid(state.uuid);
+
+    // TODO: remove the WA.room.getRoom method and replace it with WA.room.getMapData and WA.player.nickname, etc...
+}));