using System.Collections.Generic;
public static void Main()
Options options = new Options();
options.ApiKey = "sandbox-Tghrtl4mO8ZjvDS5yqbrb8g1GE7NvP3F";
options.SecretKey = "sandbox-f2KVZStRHcUEdkngs6NN3jV1NqUiS9lw";
options.BaseUrl = "https://sandbox-api.iyzipay.com";
Iyzipay.Request.RetrieveCheckoutFormRequest request = new Iyzipay.Request.RetrieveCheckoutFormRequest();
request.ConversationId = "123456789";
request.Token = "9477c8dc-2829-4911-9d9c-11886f9bf388";
Iyzipay.Model.CheckoutForm checkoutForm = Iyzipay.Model.CheckoutForm.Retrieve(request, options);
Console.WriteLine(checkoutForm.Status);
Console.WriteLine(checkoutForm.PaymentStatus);
Console.WriteLine(checkoutForm.ErrorMessage);