using System;

using System.Collections.Generic;

using System.Text.Json;

using Newtonsoft.Json;

using System.Linq;

public class Program

{

    public class JobFlowModel

    {

      public string TaskName {get;set;}

      public bool Include {get;set;}

      public bool Exclude {get;set;}

    }

    public class User

    {

      public int id { get; set; }

      public string Name { get; set; }

      public int Age { get; set; }

    }

    public class UserDetail

    {

      public int id { get; set; }       

      public int userId { get; set; }

      public string Description { get; set; }      

    }

    public static void Main()

    {

        List<User> users = new List<User>()

        {

        new User() { id = 1, Name = "John Doe", Age = 42 },

        new User() { id = 2 ,Name = "Jane Doe", Age = 39 },

        new User() { id = 3 ,Name = "Joe Doe", Age = 13 },

        };

        List<JobFlowModel> jobs = new List<JobFlowModel>()

        {

            new JobFlowModel() { TaskName = "A", Include = false, Exclude = false },

            new JobFlowModel() { TaskName = "B", Include = true, Exclude = false },

            new JobFlowModel() { TaskName = "C", Include = false, Exclude = true },

        };

        List<UserDetail> details = new List<UserDetail>()

        {

            new UserDetail() { id = 1, Description = "11", userId = 1 },

            new UserDetail() { id = 2 ,Description = "12", userId = 1 },

            new UserDetail() { id = 3 ,Description = "13", userId = 1 },

            new UserDetail() { id = 4, Description = "d", userId = 2 },

            new UserDetail() { id = 5 ,Description = "e", userId = 3 },

            new UserDetail() { id = 6 ,Description = "f", userId = 2 }

        };

        var json = JsonConvert.SerializeObject(jobs);

        Console.WriteLine(json);

        int retCnt = 0;

        var retVal = details.Where(x=>x.id == 1).FirstOrDefault();

        if (retVal != null) retCnt = int.Parse(retVal.Description);

        Console.WriteLine(retCnt.ToString());

    }

}