diff --git a/app/controllers/object_manager_attributes_controller.rb b/app/controllers/object_manager_attributes_controller.rb
index d3d3fd12f..49f99da77 100644
--- a/app/controllers/object_manager_attributes_controller.rb
+++ b/app/controllers/object_manager_attributes_controller.rb
@@ -8,7 +8,7 @@ class ObjectManagerAttributesController < ApplicationController
   def list
     return if deny_if_not_role('Admin')
     render :json => {
-      :objects => ObjectManager.listObjects,
+      :objects => ObjectManager.listFrontendObjects,
     }
     #model_index_render(ObjectManager::Attribute, params)
   end
diff --git a/app/models/object_manager.rb b/app/models/object_manager.rb
index 5ad3ce921..7f5174e77 100644
--- a/app/models/object_manager.rb
+++ b/app/models/object_manager.rb
@@ -4,14 +4,26 @@ class ObjectManager
 
 =begin
 
-add a new activity entry for an object
+list all backend managed object
 
   ObjectManager.listObjects()
 
 =end
 
   def self.listObjects
-    ['Ticket', 'TicketArticle', 'User', 'Organization' ] #, 'Group' ]
+    ['Ticket', 'TicketArticle', 'User', 'Organization', 'Group' ]
+  end
+
+=begin
+
+list all frontend managed object
+
+  ObjectManager.listFrontendObjects()
+
+=end
+
+  def self.listFrontendObjects
+    ['Ticket', 'User', 'Organization' ] #, 'Group' ]
   end
 
 end