diff --git a/README.md b/README.md
index 99ffb52..223ed50 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ Cette application React fournit une interface pour interagir avec la plateforme
 ## Prérequis
 
 - Node.js (version 18 ou supérieure)
-- npm ou yarn
+- npm
 
 ## Installation
 
diff --git a/src/App.tsx b/src/App.tsx
index eac9463..f255385 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -52,7 +52,7 @@ function App() {
             }
           }
 
-          messageBus.getData('467b005278cf516a42a54ba777fcbab29748072b52c01a988a596662e7b7844a:0', 'ada06b5c6e5add8a281b284a31a258355b33a9f0dbc4a5dcfe77dfd4eb904011').then((data: any) => {
+          messageBus.getData("7813a82df5725dbe59e9da02f80fa2fe9a93587bab8efe9cfb29d97a05c5a53a:0", "3ecbc27b0aae7806c11f308e2142d66702b1ec6513312128aab1af5098a2f90d").then((data: any) => {
             console.log(data);
           });
         });
@@ -107,7 +107,7 @@ function App() {
       validator: '884cb36a346a79af8697559f16940141f068bdf1656f88fa0df0e9ecd7311fb8:0'
     };
 
-    MessageBus.getInstance(iframeUrl).createProfile(completeProfileData).then((_profileData: ProfileData) => {
+    MessageBus.getInstance(iframeUrl).createProfile(completeProfileData).then(() => {
       MessageBus.getInstance(iframeUrl).getProcesses().then((processes: any) => {
         setProcesses(processes);
       });
@@ -118,7 +118,7 @@ function App() {
 
   // Gestionnaire pour soumettre les données du dossier
   const handleFolderSubmit = useCallback((folderData: FolderData) => {
-    MessageBus.getInstance(iframeUrl).createFolder(folderData).then((_folderData: FolderData) => {
+    MessageBus.getInstance(iframeUrl).createFolder(folderData).then(() => {
       MessageBus.getInstance(iframeUrl).getProcesses().then((processes: any) => {
         setProcesses(processes);
       });
diff --git a/src/sdk/MessageBus.ts b/src/sdk/MessageBus.ts
index 3961f76..bbfb246 100644
--- a/src/sdk/MessageBus.ts
+++ b/src/sdk/MessageBus.ts
@@ -213,8 +213,8 @@ export default class MessageBus {
     });
   }
 
-  public createProfile(profileData: ProfileData): Promise<ProfileData> {
-    return new Promise<ProfileData>((resolve: (profileData: ProfileData) => void, reject: (error: string) => void) => {
+  public createProfile(profileData: ProfileData): Promise<void> {
+    return new Promise<void>((resolve: () => void, reject: (error: string) => void) => {
       this.checkToken().then(() => {
         const userStore = UserStore.getInstance();
         const accessToken = userStore.getAccessToken()!;
@@ -223,13 +223,13 @@ export default class MessageBus {
         const correlationId = uuidv4();
         this.initMessageListener(correlationId);
 
-        const unsubscribe = EventBus.getInstance().on('PROFILE_CREATED', (responseId: string, profileData: ProfileData) => {
+        const unsubscribe = EventBus.getInstance().on('PROFILE_CREATED', (responseId: string) => {
           if (responseId !== correlationId) {
             return;
           }
           unsubscribe();
           this.destroyMessageListener();
-          resolve(profileData);
+          resolve();
         });
 
         const unsubscribeError = EventBus.getInstance().on('ERROR_PROFILE_CREATED', (responseId: string, error: string) => {
@@ -251,8 +251,8 @@ export default class MessageBus {
     });
   }
 
-  public createFolder(folderData: FolderData): Promise<FolderData> {
-    return new Promise<FolderData>((resolve: (folderData: FolderData) => void, reject: (error: string) => void) => {
+  public createFolder(folderData: FolderData): Promise<void> {
+    return new Promise<void>((resolve: () => void, reject: (error: string) => void) => {
       this.checkToken().then(() => {
         const userStore = UserStore.getInstance();
         const accessToken = userStore.getAccessToken()!;
@@ -260,13 +260,13 @@ export default class MessageBus {
         const correlationId = uuidv4();
         this.initMessageListener(correlationId);
 
-        const unsubscribe = EventBus.getInstance().on('FOLDER_CREATED', (responseId: string, folderData: FolderData) => {
+        const unsubscribe = EventBus.getInstance().on('FOLDER_CREATED', (responseId: string) => {
           if (responseId !== correlationId) {
             return;
           }
           unsubscribe();
           this.destroyMessageListener();
-          resolve(folderData);
+          resolve();
         });
 
         const unsubscribeError = EventBus.getInstance().on('ERROR_FOLDER_CREATED', (responseId: string, error: string) => {
@@ -335,7 +335,7 @@ export default class MessageBus {
     const message = event.data;
     switch (message.type) {
       case 'LISTENING':
-        EventBus.getInstance().emit('IS_READY', correlationId);
+        setTimeout(() => EventBus.getInstance().emit('IS_READY', correlationId), 2500);
         break;
 
       case 'LINK_ACCEPTED':
@@ -389,7 +389,7 @@ export default class MessageBus {
           return;
         }
         EventBus.getInstance().emit('MESSAGE_RECEIVED', message);
-        EventBus.getInstance().emit('PROFILE_CREATED', correlationId, message.profileData);
+        EventBus.getInstance().emit('PROFILE_CREATED', correlationId);
         break;
 
       case 'FOLDER_CREATED': // CREATE_FOLDER
@@ -400,6 +400,7 @@ export default class MessageBus {
           return;
         }
         EventBus.getInstance().emit('MESSAGE_RECEIVED', message);
+        EventBus.getInstance().emit('FOLDER_CREATED', correlationId);
         break;
 
       case 'DATA_RETRIEVED': // RETRIEVE_DATA