Sign-In with google and playfab In Unity

Sign In with google through Playfab doesn't seem to work anymore after their (Google) Unity-plugin Update.

Playfab's Tutorial: (https://learn.microsoft.com/en-us/gaming/playfab/features/authentication/platform-specific-authentication/google-sign-in-unity).

The tutorials Playfab provided uses classes which doesn't exist anymore like "PlayGamesClientConfiguration" Class.

The login With google function provided from Playfab plug-in needs ServerAuthCode as an arrgument, which used to be got from this function "PlayGamesPlatform.Instance.GetServerAuthCode()" which doesn't exist anymore.

So, do you have an idea how to do it given that their tutorials (Playfab login with google in Unity) is obselete now?

I did the implementation and is working fine, but I used this package, not the latest one, is a previous version: https://github.com/playgameservices/play-games-plugin-for-unity/tree/v10/current-build

The Unity Package that appear in the Microsoft documentation have a lot of changes that create conflict with the tutorial.

For me is working for both platforms Android and iOS, if you have any problems, let me know.