TicketFollowup::canCreate PHP Method

    static function canCreate()
    {
        return Session::haveRightsOr(self::$rightname, array(self::ADDALLTICKET, self::ADDMYTICKET, self::ADDGROUPTICKET)) || Session::haveRight('ticket', Ticket::OWN);
    }

 /**
  * @see CommonDBTM::getSpecificMassiveActions()
  **/
 function getSpecificMassiveActions($checkitem = NULL)
 {
     $isadmin = static::canUpdate();
     $actions = parent::getSpecificMassiveActions($checkitem);
     if ($_SESSION['glpiactiveprofile']['interface'] == 'central') {
         if (TicketFollowup::canCreate()) {
             $actions['TicketFollowup' . MassiveAction::CLASS_ACTION_SEPARATOR . 'add_followup'] = __('Add a new followup');
         }
         if (TicketTask::canCreate()) {
             $actions[__CLASS__ . MassiveAction::CLASS_ACTION_SEPARATOR . 'add_task'] = __('Add a new task');
         }
         if (TicketValidation::canCreate()) {
             $actions['TicketValidation' . MassiveAction::CLASS_ACTION_SEPARATOR . 'submit_validation'] = __('Approval request');
         }
         if (Item_Ticket::canCreate()) {
             $actions['Item_Ticket' . MassiveAction::CLASS_ACTION_SEPARATOR . 'add_item'] = _x('button', 'Add an item');
         }
         if (Item_Ticket::canDelete()) {
             $actions['Item_Ticket' . MassiveAction::CLASS_ACTION_SEPARATOR . 'delete_item'] = _x('button', 'Remove an item');
         }
         if (Session::haveRight(self::$rightname, UPDATE)) {
             $actions[__CLASS__ . MassiveAction::CLASS_ACTION_SEPARATOR . 'add_actor'] = __('Add an actor');
             $actions[__CLASS__ . MassiveAction::CLASS_ACTION_SEPARATOR . 'enable_notif'] = __('Set notifications for all actors');
             $actions['Ticket_Ticket' . MassiveAction::CLASS_ACTION_SEPARATOR . 'add'] = _x('button', 'Link tickets');
         }
         if (Session::haveRight(self::$rightname, UPDATE)) {
             MassiveAction::getAddTransferList($actions);
         }
     }
     return $actions;
 }