using System;

using System.Text.Json;

using System.Text.Json.Serialization;

​

public class Program

{

    public static void Main(string[] args)

    {

        string json = "{}";

​

        var simpleResponse = JsonSerializer.Deserialize<SimpleResponse>(json);

​

        Console.WriteLine(simpleResponse);

    }

    public class SimpleResponse

    {

        [JsonPropertyName("StatusCode")]

        public int StatusCode { get; set; }

​

        [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]

        public string StatusMessage { get; set; }

        [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]

        [JsonPropertyName("Reason")]

        public string Reason { get; set; }

        public SimpleResponse() { }

    }

}

​