full plugin mod for multiselection

application/modules/admin/controllers/UsergroupController.php

@@ -38,7 +38,8 @@ class Admin_UsergroupController extends ZendAfi_Controller_Action {
                           'add' => ['title' => $this->_("Ajouter un groupe d'utilisateurs")],
                           'edit' => ['title' => $this->_("Modifier le groupe d'utilisateurs: %s")]],
 
-            'form_class_name' => 'ZendAfi_Form_Admin_UserGroup'];
+            'form_class_name' => 'ZendAfi_Form_Admin_UserGroup',
+            'plugins' => ['ZendAfi_Controller_Plugin_Manager_UserGroup']];
   }
 
 
@@ -54,6 +55,7 @@ class Admin_UsergroupController extends ZendAfi_Controller_Action {
                          'action' => 'catadd',
                          'id' => null,
                          'id_cat' => null];
+
     $this->view->categories=[];
     $this->view->categories[] =
       ['bib'=> $bib,