using System;

using Ploeh.AutoFixture;

​

public class Program

{

    public class Foo

{

   public string Id { get; set; }

   public Baa Baa { get; set; }

}

​

​

public class Baa

{

    public string Name { get; set; }

}

    public static void Main()

    {

        var fixture = new Fixture();

        fixture.Customize<Baa>(c => c

           .With(x => x.Name, "Corge"));

        var foo = fixture.Create<Foo>();

        Console.WriteLine(foo.Id);

        Console.WriteLine(foo.Baa.Name);

        Console.WriteLine("Hello World");

    }

}