<?php require_once('config.php'); $request = new \Iyzipay\Request\SubMerchantPaymentItemUpdateRequest(); $request->setLocale(\Iyzipay\Model\Locale::TR); $request->setConversationId("123456789"); $request->setPaymentTransactionId("11606407"); $request->setSubMerchantKey("dVNPU4zjThEHTRqlExIhh7VVSBA="); $request->setSubMerchantPrice(0.2); $result = \Iyzipay\Model\SubMerchantPaymentItemUpdate::create($request, Config::options()); print_r($result);