Eccube\Entity\Order::setDiscount PHP Метод

    public function setDiscount($discount)
    {
        $this->discount = $discount;
        return $this;
    }

 /**
  * 受注情報を作成
  * @return \Eccube\Entity\Order
  */
 public function newOrder()
 {
     $Order = new \Eccube\Entity\Order();
     $Order->setDiscount(0)->setSubtotal(0)->setTotal(0)->setPaymentTotal(0)->setCharge(0)->setTax(0)->setOrderStatus($this->app['eccube.repository.order_status']->find($this->app['config']['order_processing']))->setDelFlg(Constant::DISABLED);
     return $Order;
 }