.NET Core Dependency Injection with Func as constructor parameter

This post will be short and sweet, albeit one that caused me a bit of a headache. I recently worked on an ASP.NET Core project and I wanted to take advantage of the built-in Dependency Injection service to inject various services to the controllers. However, one of the services required a parameter in the constructor; to be more exact I was asked to create a unit of work for all the different zones that we have but the connection has to change for each region so this is the solution I came up with:

The important magick is here:

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