Mapping for Blog with Fluent NHibernate

gistfile1.cs

public class BlogMap : ClassMap<Blog>
{
    public BlogMap()
    {
        Id(x => x.Id).GeneratedBy.Identity();
        Map(x => x.Title);
        Map(x => x.Subtitle);
        Map(x => x.AllowsComments);
        Map(x => x.CreatedAt);
    }
}