diff --git a/dotnet/AipsCore/Domain/Models/User/External/IUserRepository.cs b/dotnet/AipsCore/Domain/Models/User/External/IUserRepository.cs
index 7a9f154..edc3107 100644
--- a/dotnet/AipsCore/Domain/Models/User/External/IUserRepository.cs
+++ b/dotnet/AipsCore/Domain/Models/User/External/IUserRepository.cs
@@ -5,5 +5,6 @@ namespace AipsCore.Domain.Models.User.External;
 
 public interface IUserRepository : IAbstractRepository<User, UserId>
 {
-    
+    Task SignUpWithPasswordAsync(User user, string password, CancellationToken cancellationToken = default);
+    Task<LoginResult> LoginWithEmailAndPasswordAsync(string email, string password, CancellationToken cancellationToken = default);
 }
\ No newline at end of file
diff --git a/dotnet/AipsCore/Domain/Models/User/External/LoginResult.cs b/dotnet/AipsCore/Domain/Models/User/External/LoginResult.cs
new file mode 100644
index 0000000..3988a20
--- /dev/null
+++ b/dotnet/AipsCore/Domain/Models/User/External/LoginResult.cs
@@ -0,0 +1,3 @@
+namespace AipsCore.Domain.Models.User.External;
+
+public record LoginResult(User User, IList<string> Roles);
\ No newline at end of file