public class UserDTO
 {
   public Guid Id { get; set; }
   public int DivisionId { get; set; }
 }

 public class User
  {
   public Guid Id { get; set; }
   public int DivisionID { get; set; }
 }

private static void Main(string[] args)
{
    Mapper.CreateMap<User, UserDTO>();

    var user = new User { Id = Guid.NewGuid(), DivisionID = 1 };
    var map = Mapper.Map<UserDTO>(user);
    Console.WriteLine(map.DivisionId);
}