Contract::getSpecificMassiveActions PHP Method

    function getSpecificMassiveActions($checkitem = NULL)
    {
        $isadmin = static::canUpdate();
        $actions = parent::getSpecificMassiveActions($checkitem);
        if ($isadmin) {
            $prefix = 'Contract_Item' . MassiveAction::CLASS_ACTION_SEPARATOR;
            $actions[$prefix . 'add'] = _x('button', 'Add an item');
            $actions[$prefix . 'remove'] = _x('button', 'Remove an item');
        }
        if ($isadmin) {
            MassiveAction::getAddTransferList($actions);
        }
        return $actions;
    }