CommonDBTM::canUpdate PHP Method

    static function canUpdate()
    {
        if (static::$rightname) {
            return Session::haveRight(static::$rightname, UPDATE);
        }
    }

 /**
  * @since version 0.85
  *
  * @see CommonDBTM::processMassiveActionsForOneItemtype()
  **/
 static function processMassiveActionsForOneItemtype(MassiveAction $ma, CommonDBTM $item, array $ids)
 {
     switch ($ma->getAction()) {
         case 'delete_email':
         case 'import_email':
             if (!$item->canUpdate()) {
                 $ma->itemDone($item->getType(), $ids, MassiveAction::ACTION_NORIGHT);
             } else {
                 $input = $ma->getInput();
                 if (count($ids)) {
                     $mailcollector = new MailCollector();
                     if ($ma->getAction() == 'delete_email') {
                         $mailcollector->deleteOrImportSeveralEmails($ids, 0);
                     } else {
                         $mailcollector->deleteOrImportSeveralEmails($ids, 1, $input['entities_id']);
                     }
                 }
                 $ma->itemDone($item->getType(), $ids, MassiveAction::ACTION_OK);
             }
             return;
     }
     parent::processMassiveActionsForOneItemtype($ma, $item, $ids);
 }