<PackageReference Include="Relativity.Server.Identity.SDK" Version="5000.1.4" />

Relativity.Identity.V1.LoginProfileModels.ActiveDirectoryMethod

public class ActiveDirectoryMethod
Login method that uses active directory.
public string Account { get; set; }

The name of the user account in Active Directory. Can be specified as a SAM Account (domain\username) or as a UPN (user@fully-qualified-domain)

public bool IsEnabled { get; set; }

Whether the login method is enabled