✅ [AllowedValue] not doing anything

using System.ComponentModel.DataAnnotations;

public class Foo
{
    [AllowedValues(new object [] {"Bill", "Bob"}, "Entered illegal name")]
    public string Name { get; set; }
}

class Program
{
    public static void Main()
    {
        Foo f = new()
        {
            Name = "Jimmy" // works ???
        };
    }
}

using System.ComponentModel.DataAnnotations;

public class Foo
{
    [AllowedValues(new object [] {"Bill", "Bob"}, "Entered illegal name")]
    public string Name { get; set; }
}

class Program
{
    public static void Main()
    {
        Foo f = new()
        {
            Name = "Jimmy" // works ???
        };
    }
}