THELIA Forum

....
        <service id="ArtabanMarketplace.action.order_before_create" class="ArtabanMarketplace\Actions\OrderSeller">
            <tag name="kernel.event_subscriber"/>
        </service>
....

....
namespace ArtabanMarketplace\Actions;

use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Thelia\Core\Event\ActionEvent;

class OrderSeller implements EventSubscriberInterface {

    public function generateOrderSeller(ActionEvent $event) {
        var_dump("Pouet");
        die();
    }

    public static function getSubscribedEvents() {
        return array(
            "action.order_before_create" => array("generateOrderSeller"),
        );
    }

}

....
use Thelia\Core\Event\TheliaEvents;
....
    public static function getSubscribedEvents() {
        return array(
            TheliaEvents::ORDER_BEFORE_CREATE => array("generateOrderSeller"),
        );
    }
......