Сгенерировать скидочные купоны, при заказе и отправить на почту

if ($arFields == 'F') {
   // Генерируем купон
                $generateCoupon = \Bitrix\Sale\Internals\DiscountCouponTable::generateCoupon(true);
                $fields = array(
                    "DISCOUNT_ID" => "7",
                    "ACTIVE" => "Y",
                    "TYPE" => \Bitrix\Sale\Internals\DiscountCouponTable::TYPE_ONE_ORDER,
                    "COUPON" => $generateCoupon,
                    "DATE_APPLY" => false
                );
                $result = \Bitrix\Sale\Internals\DiscountCouponTable::add($fields);
                $cupon = $generateCoupon;
   // end Генерируем купон

        // Получаем email для отправки купона
        $dbRes = \Bitrix\Sale\PropertyValueCollection::getList([
            'select' => ['CODE', 'VALUE'],
            'filter' => ['=ORDER_ID' => $orderID, '=CODE' => 'EMAIL']
        ]);
        while ($item = $dbRes->fetch()) {
            $userOrderEmail = $item['VALUE'];
        }
        // end Получаем email для отправки купона
        
        // Отправляем письмо
        $EVEN_TYPE = 'SEND_CUPONS';
        $SITE_ID = 's1';
        $arFeedForm = array(
            "EMAIL_TO" => $userOrderEmail,
            "CUPON_LIST" => $cupon
        );
        CEvent::Send($EVEN_TYPE, $SITE_ID, $arFeedForm );
    }