using System;

using System.Text.Json;

using System.Text.Json.Serialization;

public class Program

{

    public class Resources

    {

        public Guid Id { get; set; }

        public string Type { get; set; }

        [JsonIgnoreAttribute(Condition = JsonIgnoreCondition.WhenWritingNull)]

        public string Url { get; set; }

        [JsonIgnoreAttribute(Condition = JsonIgnoreCondition.WhenWritingNull)]

        public string Name { get; set; }

        public string Description { get; set; }

        public DateTime? Createdon { get; set; }

        public Guid Userid { get; set; }

        public Guid Taskid { get; set; }

        public int Clicked { get; set; }

        public byte Active { get; set; }

    }

    public static void Main()

    {

        string jsonString = JsonSerializer.Serialize(new Resources()

        {

            Id = new Guid(),

            Name = "",

            Type = "File",

        });

        Console.WriteLine(jsonString);

    }

}