diff --git a/views/ngXosLib/xosHelpers/spec/services/helpers/user-prefs.test.js b/views/ngXosLib/xosHelpers/spec/services/helpers/user-prefs.test.js
index 4c76484..7a00cc7 100644
--- a/views/ngXosLib/xosHelpers/spec/services/helpers/user-prefs.test.js
+++ b/views/ngXosLib/xosHelpers/spec/services/helpers/user-prefs.test.js
@@ -23,6 +23,7 @@
   describe('The xos.helper module', function(){
 
     describe('The XosUserPrefs service', () => {
+      let service, toscaBase, deffered, SiteSpy, rootScope;
 
       // load the application module
       beforeEach(module('xos.helpers', ($provide) => {
@@ -36,12 +37,19 @@
         spyOn(cookieMock, 'put').and.callThrough();
       }));
 
+      beforeEach(inject(($q, $rootScope) => {
+        rootScope = $rootScope;
+      }));
       it('should exists and have methods', () => {
         expect(service).toBeDefined();
         expect(service.getAll).toBeDefined();
         expect(service.setAll).toBeDefined();
         expect(service.getSynchronizerNotificationStatus).toBeDefined();
         expect(service.setSynchronizerNotificationStatus).toBeDefined();
+        expect(service.setUserDetailsCookie).toBeDefined();
+        expect(service.getUserDetailsCookie).toBeDefined();
+        expect(service.setDataUser).toBeDefined()
+
       });
 
       describe('the getAll method', () => {
@@ -67,6 +75,9 @@
                 first: true,
                 second: false
               }
+            },
+            userData: {
+              userId:1
             }
           }
           cookies.xosUserPrefs = JSON.stringify(syncNotification);
@@ -83,6 +94,15 @@
           });
         });
 
+        describe('the getUserDetailsCookie method', () => {
+          it('should return current user id', (done) => {
+            service.getUserDetailsCookie().$promise.then((res) => {
+              expect(res.userId).toEqual(syncNotification.userData.userId);
+              done();
+            });
+            rootScope.$apply();
+          });
+        });
         describe('the setSynchronizerNotificationStatus', () => {
           
           it('should throw an error if called without synchronizer name', () => {
@@ -98,7 +118,7 @@
             expect(service.getSynchronizerNotificationStatus('first')).toEqual(true);
 
             // should persist the change
-            expect(cookieMock.put).toHaveBeenCalledWith('xosUserPrefs', '{"synchronizers":{"notification":{"first":true,"second":true}}}');
+            expect(cookieMock.put).toHaveBeenCalledWith('xosUserPrefs', '{"synchronizers":{"notification":{"first":true,"second":true}},"userData":{"userId":1}}');
           });
 
           it('should handle empty cookies', () => {
@@ -108,6 +128,39 @@
           });
         });
       });
+      describe('the userdetails status', () => {
+        let syncNotification;
+        beforeEach(() => {
+          syncNotification = {
+            synchronizers: {
+              notification: {
+                first: true,
+                second: false
+              }
+            }
+          }
+          cookies.xosUserPrefs = JSON.stringify(syncNotification);
+        });
+        const userData = {
+          userId: 1
+        };
+        beforeEach(inject(($q,Me) => {
+          deffered= $q.defer();
+          spyOn(Me, 'get').and.callFake(function(){
+            return {$promise: deffered.promise};
+          });
+        }));
+        describe('the getUserDetailsCookie method', () => {
+          it('should return current user id', (done) => {
+            service.getUserDetailsCookie().$promise.then((res) => {
+              expect(res.userId).toEqual(userData.userId);
+              done();
+            });
+            deffered.resolve(userData);
+            rootScope.$apply();
+          });
+        });
+      });
     });
   });
 })();
\ No newline at end of file
diff --git a/views/ngXosLib/xosHelpers/src/services/helpers/user-prefs.service.js b/views/ngXosLib/xosHelpers/src/services/helpers/user-prefs.service.js
index 7bf8ae1..bb8a810 100644
--- a/views/ngXosLib/xosHelpers/src/services/helpers/user-prefs.service.js
+++ b/views/ngXosLib/xosHelpers/src/services/helpers/user-prefs.service.js
@@ -1,95 +1,164 @@
-(function () {
-  
-  angular.module('xos.helpers')
-
-  /**
-  * @ngdoc service
-  * @name xos.helpers.XosUserPrefs
-  * @description
-  * This service is used to store the user preferences in cookies, so that they survive to page changes.
-  * The structure of the user preference is:
-  * ```
-  * {
-  *   synchronizers: {
-  *     notification: {
-  *       'volt': boolean,
-  *       'openstack': boolean,
-  *       ...
-  *     }
-  *   }
-  * }
-  * ```
-  **/
-
-  .service('XosUserPrefs', function($cookies){
-
-    let userPrefs = $cookies.get('xosUserPrefs') ? angular.fromJson($cookies.get('xosUserPrefs')) : {};
-
-    /**
-    * @ngdoc method
-    * @name xos.helpers.XosUserPrefs#getAll
-    * @methodOf xos.helpers.XosUserPrefs
-    * @description
-    * Return all the user preferences stored in cookies
-    * @returns {object} The user preferences
-    **/
-    this.getAll = () => {
-      userPrefs = $cookies.get('xosUserPrefs') ? angular.fromJson($cookies.get('xosUserPrefs')) : {};
-      return userPrefs;
-    };
-
-    /**
-    * @ngdoc method
-    * @name xos.helpers.XosUserPrefs#setAll
-    * @methodOf xos.helpers.XosUserPrefs
-    * @description
-    * Override all user preferences
-    * @param {object} prefs The user preferences
-    **/
-    this.setAll = (prefs) => {
-      $cookies.put('xosUserPrefs', angular.toJson(prefs));
-    };
-
-    /**
-    * @ngdoc method
-    * @name xos.helpers.XosUserPrefs#getSynchronizerNotificationStatus
-    * @methodOf xos.helpers.XosUserPrefs
-    * @description
-    * Return the synchronizer notification status, if name is not provided return the status for all synchronizers
-    * @param {string=} prefs The synchronizer name
-    * @returns {object | string} The synchronizer status
-    **/
-    this.getSynchronizerNotificationStatus = (name = false) => {
-      if(name){
-        return this.getAll().synchronizers.notification[name];
-      }
-      return this.getAll().synchronizers.notification;
-    };
-
-    /**
-    * @ngdoc method
-    * @name xos.helpers.XosUserPrefs#setSynchronizerNotificationStatus
-    * @methodOf xos.helpers.XosUserPrefs
-    * @description
-    * Update the notification status for a single synchronizer
-    * @param {string} name The synchronizer name
-    * @param {boolean} value The notification status (true means that it has been sent)
-    **/
-    this.setSynchronizerNotificationStatus = (name = false, value) => {
-      if(!name){
-        throw new Error('[XosUserPrefs] When updating a synchronizer is mandatory to provide a name.')
-      }
-
-      let cookies = this.getAll();
-
-      if(!cookies.synchronizers){
-        cookies.synchronizers = {
-          notification: {}
-        }
-      }
-
-      cookies.synchronizers.notification[name] = value;
-      this.setAll(cookies);
-    }
-  });
+(function () {
+  
+  angular.module('xos.helpers')
+
+  /**
+  * @ngdoc service
+  * @name xos.helpers.XosUserPrefs
+  * @description
+  * This service is used to store the user preferences in cookies, so that they survive to page changes.
+  * The structure of the user preference is:
+  * ```
+  * {
+  *   synchronizers: {
+  *     notification: {
+  *       'volt': boolean,
+  *       'openstack': boolean,
+  *       ...
+  *     }
+  *   }
+  *   userData: {
+  *     current_user_site_id: Number,
+  *     current_user_site_user_names: Array[1],
+  *     ...
+  *     }
+  * }
+  * ```
+  **/
+
+  .service('XosUserPrefs', function($cookies, Me, $q){
+
+    let userPrefs = $cookies.get('xosUserPrefs') ? angular.fromJson($cookies.get('xosUserPrefs')) : {};
+
+    /**
+    * @ngdoc method
+    * @name xos.helpers.XosUserPrefs#getAll
+    * @methodOf xos.helpers.XosUserPrefs
+    * @description
+    * Return all the user preferences stored in cookies
+    * @returns {object} The user preferences
+    **/
+    this.getAll = () => {
+      userPrefs = $cookies.get('xosUserPrefs') ? angular.fromJson($cookies.get('xosUserPrefs')) : {};
+      return userPrefs;
+    };
+
+    /**
+    * @ngdoc method
+    * @name xos.helpers.XosUserPrefs#setAll
+    * @methodOf xos.helpers.XosUserPrefs
+    * @description
+    * Override all user preferences
+    * @param {object} prefs The user preferences
+    **/
+    this.setAll = (prefs) => {
+      $cookies.put('xosUserPrefs', angular.toJson(prefs));
+    };
+
+    /**
+    * @ngdoc method
+    * @name xos.helpers.XosUserPrefs#getSynchronizerNotificationStatus
+    * @methodOf xos.helpers.XosUserPrefs
+    * @description
+    * Return the synchronizer notification status, if name is not provided return the status for all synchronizers
+    * @param {string=} prefs The synchronizer name
+    * @returns {object | string} The synchronizer status
+    **/
+    this.getSynchronizerNotificationStatus = (name = false) => {
+      if(name){
+        return this.getAll().synchronizers.notification[name];
+      }
+      return this.getAll().synchronizers.notification;
+    };
+
+
+    /**
+    * @ngdoc method
+    * @name xos.helpers.XosUserPrefs#getUserDetailsCookie
+    * @methodOf xos.helpers.XosUserPrefs
+    * @description
+    * Return all the user details stored in cookies or call the service
+    * @returns {object} The user details
+    **/
+    this.getUserDetailsCookie = () => {
+      var defer = $q.defer();
+      let localPref  = this.getAll();
+      if(!localPref.userData){
+        this.setUserDetailsCookie(localPref).$promise.then((data)=>{
+          defer.resolve(data);
+        });
+      }
+      else{
+        defer.resolve(localPref.userData);
+      }
+      return {$promise: defer.promise};
+    };
+
+    /**
+    * @ngdoc method
+    * @name xos.helpers.XosUserPrefs#setDataUser
+    * @methodOf xos.helpers.XosUserPrefs
+    * @description
+    * Return all the user details from the endpoint (api/utility/me)
+    * @returns {object} The user details
+    **/
+
+    this.setDataUser = ()=>{
+      //var deff = $q.defer();
+      return Me.get().$promise;
+
+    };
+
+    /**
+    * @ngdoc method
+    * @name xos.helpers.XosUserPrefs#setUserDetailsCookie
+    * @methodOf xos.helpers.XosUserPrefs
+    * @description
+    * Save the user details in the cookie
+    * @param {object} details stored in cookie
+    * @param {objects} returns the user details as a promise
+    **/
+    this.setUserDetailsCookie = (localPref = localPref)=> {
+
+      var defer = $q.defer();
+      this.setDataUser().then((user)=>{
+        this.model = user;
+        defer.resolve(this.model);
+      }).then(() => {
+        localPref.userData = this.model.data;
+        this.setAll(localPref);
+      })
+      .catch ((e) => {
+        defer.reject(e);
+        throw new Error(e);
+      });
+      return {$promise: defer.promise};
+    }
+
+     /**
+    * @ngdoc method
+    * @name xos.helpers.XosUserPrefs#setSynchronizerNotificationStatus
+    * @methodOf xos.helpers.XosUserPrefs
+    * @description
+    * Update the notification status for a single synchronizer
+    * @param {string} name The synchronizer name
+    * @param {boolean} value The notification status (true means that it has been sent)
+    **/
+
+    this.setSynchronizerNotificationStatus = (name = false, value) => {
+      if(!name){
+        throw new Error('[XosUserPrefs] When updating a synchronizer is mandatory to provide a name.')
+      }
+
+      let cookies = this.getAll();
+
+      if(!cookies.synchronizers){
+        cookies.synchronizers = {
+          notification: {}
+        }
+      }
+      cookies.synchronizers.notification[name] = value;
+      this.setAll(cookies);
+    }
+  });
 })();
\ No newline at end of file
diff --git a/views/ngXosLib/xosHelpers/src/services/rest/Me.js b/views/ngXosLib/xosHelpers/src/services/rest/Me.js
new file mode 100644
index 0000000..ff77060
--- /dev/null
+++ b/views/ngXosLib/xosHelpers/src/services/rest/Me.js
@@ -0,0 +1,26 @@
+(function() {
+  'use strict';
+
+  angular.module('xos.helpers')
+  /**
+  * @ngdoc service
+  * @name xos.helpers.Me
+  * @description Http read-only api to fetch /api/utility/me/
+  **/
+  .service('Me', function($q,$http){
+
+    this.get = () => {
+      let deferred = $q.defer();
+
+      $http.get('/api/utility/me/')
+      .then(res => {
+        deferred.resolve(res);
+      })
+      .catch(e => {
+        deferred.reject(e);
+      });
+      return deferred.promise;
+
+    };
+  })
+})();
\ No newline at end of file