Gelen Faturayı İade Faturası Olarak Kaydeder

var options = new RestClientOptions("https://apitest.nilvera.com")
{
    MaxTimeout = -1,
};
var client = new RestClient(options);
var request = new RestRequest("/einvoice/Purchase/d564b745-b92e-4552-a10c-e435118c2474/CreateReturn", Method.Post);
request.AddHeader("Content-Type", "application/json");
request.AddHeader("Authorization", "Bearer <API KEY>");
var body = @"
{
    ""NotificationDto"": {
        ""ID"": 0,
        ""RuleName"": ""string"",
        ""Rules"": [
            {
                ""Property"": ""DocumentProfile"",
                ""Operator"": ""GreaterOrEqual"",
                ""ValueFirst"": ""string"",
                ""ValueSecond"": ""string""
            }
        ],
        ""Contact"": [
            {
                ""NotificationValue"": ""string"",
                ""NotificationValueType"": ""Whatsapp""
            }
        ],
        ""IsActive"": true
    }
}";
request.AddJsonBody(body);
RestResponse response = await client.ExecuteAsync(request);
Console.WriteLine(response.Content);