shipping_zone_namekey dans les emails

comment je recupere le shipping_zone_namekey danslesemails de notification ?

j'ai $shippingClass = hikashop::get('class.shipping');
ensuite je fais comment ?

merci

$shippingClass = hikashop_get('class.shipping');
$shipping = $shippingClass->get($data->order_shipping_id);
echo $shipping->shipping_zone_namekey;

ca marche

merci