diff --git a/src/App.tsx b/src/App.tsx
index e02f78d..d17b7a6 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -12,7 +12,7 @@ import Iframe from './sdk/Iframe'
 import BlockchainViewer from './components/ProcessesViewer';
 import FolderModal from './components/FolderModal';
 import type { ProfileCreated, ProfileData } from './sdk/models/ProfileData'
-import type { FolderCreated, FolderData } from './sdk/models/FolderData'
+import { FolderPrivateFields, setDefaultFolderRoles, type FolderCreated, type FolderData } from './sdk/models/FolderData'
 
 const iframeUrl = 'https://dev3.4nkweb.com'
 
@@ -126,14 +126,22 @@ function App() {
 
   // Gestionnaire pour soumettre les données du dossier
   const handleFolderSubmit = useCallback((folderData: FolderData) => {
-    MessageBus.getInstance(iframeUrl).createFolder(folderData).then((_folderCreated: FolderCreated) => {
-      MessageBus.getInstance(iframeUrl).getProcesses().then((processes: any) => {
-        setProcesses(processes);
+    if (userPairingId !== null) {
+      const roles = setDefaultFolderRoles(userPairingId, [], []);
+      const folderPrivateFields = FolderPrivateFields;
+      MessageBus.getInstance(iframeUrl).createFolder(folderData, folderPrivateFields, roles).then((_folderCreated: FolderCreated) => {
+        MessageBus.getInstance(iframeUrl).notifyProcessUpdate(_folderCreated.processId, _folderCreated.process.states[0].state_id).then(() => {
+          MessageBus.getInstance(iframeUrl).validateState(_folderCreated.processId, _folderCreated.process.states[0].state_id).then((_updatedProcess: any) => {
+            MessageBus.getInstance(iframeUrl).getProcesses().then((processes: any) => {
+              setProcesses(processes);
+            });
+          });
+        })
       });
-    });
 
-    setShowFolderModal(false);
-  }, []);
+      setShowFolderModal(false);
+    }
+  }, [userPairingId]);
 
   // Gestionnaire du clic sur le bouton Vider les messages
   const handleClearMessages = useCallback(() => {
diff --git a/src/sdk/MessageBus.ts b/src/sdk/MessageBus.ts
index defa3e6..6452188 100644
--- a/src/sdk/MessageBus.ts
+++ b/src/sdk/MessageBus.ts
@@ -2,8 +2,9 @@ import IframeReference from './IframeReference';
 import EventBus from './EventBus';
 import UserStore from './UserStrore';
 import type { ProfileCreated, ProfileData } from './models/ProfileData';
-import type { FolderCreated, FolderData } from './models/FolderData';
+import { isFolderData, type FolderCreated, type FolderData } from './models/FolderData';
 import { v4 as uuidv4 } from 'uuid';
+import type { RoleDefinition } from './models/Roles';
 
 export default class MessageBus {
   private static instance: MessageBus;
@@ -336,7 +337,7 @@ export default class MessageBus {
     });
   }
 
-  public createFolder(folderData: FolderData): Promise<FolderCreated> {
+  public createFolder(folderData: FolderData, folderPrivateData: string[], roles: Record<string, RoleDefinition>): Promise<FolderCreated> {
     return new Promise<FolderCreated>((resolve: (folderData: FolderCreated) => void, reject: (error: string) => void) => {
       this.checkToken().then(() => {
         const userStore = UserStore.getInstance();
@@ -345,16 +346,29 @@ export default class MessageBus {
         const correlationId = uuidv4();
         this.initMessageListener(correlationId);
 
-        const unsubscribe = EventBus.getInstance().on('FOLDER_CREATED', (responseId: string, folderCreated: FolderCreated) => {
+        const unsubscribe = EventBus.getInstance().on('PROCESS_CREATED', (responseId: string, processCreated: any) => {
+          console.log(processCreated);
           if (responseId !== correlationId) {
             return;
           }
           unsubscribe();
           this.destroyMessageListener();
+          // Return value must contain the data commited in the new process
+          const folderData = processCreated.folderCreated;
+          if (!folderData || !isFolderData(folderData)) reject('Returned invalid process data');
+          if (!processCreated.processId || typeof processCreated.processId !== 'string') reject('Returned invalid process id');
+          // TODO check that process is of type Process
+
+          const folderCreated: FolderCreated = {
+            processId: processCreated.processId,
+            process: processCreated.process,
+            folderData
+          };
+
           resolve(folderCreated);
         });
 
-        const unsubscribeError = EventBus.getInstance().on('ERROR_FOLDER_CREATED', (responseId: string, error: string) => {
+        const unsubscribeError = EventBus.getInstance().on('ERROR_PROCESS_CREATED', (responseId: string, error: string) => {
           if (responseId !== correlationId) {
             return;
           }
@@ -364,9 +378,86 @@ export default class MessageBus {
         });
 
         this.sendMessage({
-          type: 'CREATE_FOLDER',
-          folderData,
-          token: accessToken
+          type: 'CREATE_PROCESS',
+          processData: folderData,
+          privateFields: folderPrivateData,
+          roles,
+          accessToken
+        });
+      }).catch(console.error);
+    });
+  }
+
+  public notifyProcessUpdate(processId: string, stateId: string): Promise<void> {
+    return new Promise<void>((resolve: () => void, reject: (error: string) => void) => {
+      this.checkToken().then(() => {
+        const userStore = UserStore.getInstance();
+        const accessToken = userStore.getAccessToken()!;
+
+        const correlationId = uuidv4();
+        this.initMessageListener(correlationId);
+
+        const unsubscribe = EventBus.getInstance().on('UPDATE_NOTIFIED', (responseId: string) => {
+          if (responseId !== correlationId) {
+            return;
+          }
+          unsubscribe();
+          this.destroyMessageListener();
+          resolve();
+        });
+
+        const unsubscribeError = EventBus.getInstance().on('ERROR_UPDATE_NOTIFIED', (responseId: string, error: string) => {
+          if (responseId !== correlationId) {
+            return;
+          }
+          unsubscribeError();
+          this.destroyMessageListener();
+          reject(error);
+        });
+
+        this.sendMessage({
+          type: 'NOTIFY_UPDATE',
+          processId,
+          stateId,
+          accessToken
+        });
+      }).catch(console.error);
+    });
+  }
+
+  public validateState(processId: string, stateId: string): Promise<any> {
+    return new Promise<any>((resolve: (updatedProcess: any) => void, reject: (error: string) => void) => {
+      this.checkToken().then(() => {
+        const userStore = UserStore.getInstance();
+        const accessToken = userStore.getAccessToken()!;
+
+        const correlationId = uuidv4();
+        this.initMessageListener(correlationId);
+
+        const unsubscribe = EventBus.getInstance().on('STATE_VALIDATED', (responseId: string, updatedProcess: any) => {
+          console.log(updatedProcess);
+          if (responseId !== correlationId) {
+            return;
+          }
+          unsubscribe();
+          this.destroyMessageListener();
+          resolve(updatedProcess);
+        });
+
+        const unsubscribeError = EventBus.getInstance().on('ERROR_STATE_VALIDATED', (responseId: string, error: string) => {
+          if (responseId !== correlationId) {
+            return;
+          }
+          unsubscribeError();
+          this.destroyMessageListener();
+          reject(error);
+        });
+
+        this.sendMessage({
+          type: 'VALIDATE_STATE',
+          processId,
+          stateId,
+          accessToken
         });
       }).catch(console.error);
     });
@@ -520,6 +611,39 @@ export default class MessageBus {
         EventBus.getInstance().emit('DATA_RETRIEVED', correlationId, message.data);
         break;
 
+      case 'PROCESS_CREATED':
+        if (this.errors[correlationId]) {
+          const error = this.errors[correlationId];
+          delete this.errors[correlationId];
+          EventBus.getInstance().emit('ERROR_PROCESS_CREATED', correlationId, error);
+          return;
+        }
+        EventBus.getInstance().emit('MESSAGE_RECEIVED', message);
+        EventBus.getInstance().emit('PROCESS_CREATED', correlationId, message.processCreated);
+        break;
+
+      case 'UPDATE_NOTIFIED':
+        if (this.errors[correlationId]) {
+          const error = this.errors[correlationId];
+          delete this.errors[correlationId];
+          EventBus.getInstance().emit('ERROR_UPDATE_NOTIFIED', correlationId, error);
+          return;
+        }
+        EventBus.getInstance().emit('MESSAGE_RECEIVED', message);
+        EventBus.getInstance().emit('UPDATE_NOTIFIED', correlationId);
+        break;
+        
+      case 'STATE_VALIDATED':
+        if (this.errors[correlationId]) {
+          const error = this.errors[correlationId];
+          delete this.errors[correlationId];
+          EventBus.getInstance().emit('ERROR_STATE_VALIDATED', correlationId, error);
+          return;
+        }
+        EventBus.getInstance().emit('MESSAGE_RECEIVED', message);
+        EventBus.getInstance().emit('STATE_VALIDATED', correlationId, message.validatedProcess);
+        break;
+
       case 'ERROR':
         console.error('Error:', message);
         this.errors[correlationId] = message.error;