diff --git a/workflow/engine/src/ProcessMaker/Services/Api/User.php b/workflow/engine/src/ProcessMaker/Services/Api/User.php
index e9f7ff063..cd186dc1a 100644
--- a/workflow/engine/src/ProcessMaker/Services/Api/User.php
+++ b/workflow/engine/src/ProcessMaker/Services/Api/User.php
@@ -151,6 +151,7 @@ class User extends Api
             $userLoggedUid = $this->getUserId();
             $user = new \ProcessMaker\BusinessModel\User();
             $user->updateBookmark($userLoggedUid, $tas_uid, 'INSERT');
+            return array('bookmarkedTaskId'=>$tas_uid);
         } catch (\Exception $e) {
             throw new RestException(Api::STAT_APP_EXCEPTION, $e->getMessage());
         }
@@ -169,6 +170,7 @@ class User extends Api
             $userLoggedUid = $this->getUserId();
             $user = new \ProcessMaker\BusinessModel\User();
             $user->updateBookmark($userLoggedUid, $tas_uid, 'DELETE');
+            return array('unbookmarkedTaskId'=>$tas_uid);
         } catch (\Exception $e) {
             throw new RestException(Api::STAT_APP_EXCEPTION, $e->getMessage());
         }