Topias Nyquist

Hey! I made a fork for this [here](https://github.com/Somebodybro/firebase-admin-dotnet-mfa-to-user-record-args) and started working on this so i'll make a pr when that is done. There are some new things I need to...

I created a pullrequest for this! https://github.com/firebase/firebase-admin-dotnet/pull/409 If there is any deeper discussion to be had about it, that cannot be handled within the pr comments, I think that can...

@lahirumaramba My pull request has been floating around for a while. If there is something wrong with it, i'm more than happy to keep working on it.