using AutoMapper;

using System.Collections.Generic;

using System;

​

public class Program

{

    public class User

    {

        public string Name { get; set; }

    }

​

    public class Source

    {

        public List<User> Users { get; set; }

    }

​

    public class Destination

    {

        public List<User> Users { get; set; }

    }

​

    public static void Main()

    {

        var configuration = new MapperConfiguration(cfg =>

        {

            cfg.CreateMap<Source, Destination>()

                .ForMember(dest => dest.Users, opt => opt.MapFrom(src => src.Users));

        });     

        var mapper = configuration.CreateMapper();

        var usersSource = new Source()

        {

            Users = new List<User>()

            {

                new User(){Name = "John"}, 

                new User(){Name = "Charles"}

            }

        };

        var usersDestination = mapper.Map<Destination>(usersSource);

        Console.WriteLine(usersDestination.Users[0].Name + "\n" 

                          + usersDestination.Users[1].Name);    

    }

}