درود پیداش کردم میگم دوستانی که لازم دارن open classes/controllers/frontController.php there is a function:
public function initContent()
{
add there this code:
$this->context->smarty->assign('checkcustomer',$this->context->customer);
example:
public function initContent()
{
$this->context->smarty->assign('checkcustomer',$this->context->customer);
then in .tpl files use this code:
{if $checkcustomer->id_default_group==3}
CONTENT HERE
{/if}
where 3 is an ID of customer group. منبع:https://www.prestashop.com تشکر فراموش نشه