Does this app use the Advertising Identifier (IDFA) - Google Admob

Screen shot of settings when publishing an iOS app for  Advertising Identifier (IDFA).

Here are a couple of helpful examples on building a C# .NET Core Generic Repo.

In these patterns you must pass the model (or table) to the repo.  After working with this pattern and patterns that define the model in the repo, I prefer the latter.  This way you have intellense in the repo to list all the models. 

Sample 1: C# Core Repo code on MSDN by Sandeep Shekhawat 

Sample 2: A Truly Generic Repository by Chris Pratt (not the guy from Guardians)

With ASP.NET Core Dependency Injection is now a first class citizen in ASP.NET. All parts of the ASP.NET Stack are using the same DI container. In this post I'm going to show you, how to configure the DI container and how to use it.

... read more on ASP.NET Hacker