net10.0 
namespace Microsoft.EntityFrameworkCore
{
    public class CustomUserString : IdentityUser<string>
    {
        public virtual ICollection<CustomRoleString> Roles { get; set; }
    }
}
.NET
8.09.010.0
Information specific to net10.0
Assemblies

Microsoft.EntityFrameworkCore.AspNet.Specification.Tests , Version=9.0.0.0, PublicKeyToken=adb9793829ddae60

Microsoft.EntityFrameworkCore.AspNet.Specification.Tests , Version=8.0.22.0, PublicKeyToken=adb9793829ddae60

Referencing

Your project needs a package reference to Microsoft.EntityFrameworkCore.AspNet.Specification.Tests.

Package Microsoft.EntityFrameworkCore.AspNet.Specification.Tests (9.0.0-preview.4.24210.1) net9.0
Platform Restrictions

The property getter is supported on all platforms.

The property setter is supported on all platforms.

  • Built-in API
  • Package-provided API