BoxGetAllUsers.cs

using System;
using System.IO;
using System.Threading.Tasks;
using Box.V2.Config;
using Box.V2.JWTAuth;

namespace BoxGetAllUsers
{
    class Program
    {
        static void Main(string[] args)
        {
            ExecuteMainAsync().Wait();
        }
        private static async Task ExecuteMainAsync()
        {
            using (FileStream fs = new FileStream($"./config.json", FileMode.Open))
            {
                var session = new BoxJWTAuth(BoxConfig.CreateFromJsonFile(fs));
                var serviceAccountClient = session.AdminClient(session.AdminToken());
                var users = await serviceAccountClient.UsersManager.GetEnterpriseUsersAsync(autoPaginate: true);
                System.Console.WriteLine(users.TotalCount == users.Entries.Count);
            }
        }
    }
}