Iyzipay\Request\CreateRefundRequest::getJsonObject PHP Method

    public function getJsonObject()
    {
        return JsonBuilder::fromJsonObject(parent::getJsonObject())->add("paymentTransactionId", $this->getPaymentTransactionId())->addPrice("price", $this->getPrice())->add("ip", $this->getIp())->add("currency", $this->getCurrency())->getObject();
    }