install settings do have logoff control source set properly but that control is still not being hit on any breakpoint

Ok so searching the source I see a script that set ModuleControls to point logoff to:

DesktopModules/Admin/Authentication/Logoff.ascx

But having a setting in my .dnn file for the Authentication Module 

            <logoffControlSrc>DesktopModules/myAuthmodule/Logoff.ascx</logoffControlSrc>
Doesn't update that setting in ModuleControls 

I went into the DB to manually update it, I guess I need to create a sql script to do the update in the package, was hoping it would be set by the auth package definition.

If I did something wrong let me know

OK so I'm back at this issue

Creating a modified authentication process realized I needed to tell UserAuthenticatedEventArgs my Authentication Type

var eventArgs = new UserAuthenticatedEventArgs(user, msIndividual.emailAddress, loginStatus, "myCustomAuth")

But now when I try to logout it fails. I'm sure I'm missing something probably simple but the error I get back is 

System.InvalidCastException: Unable to cast object of type 'ASP.desktopmodules_myCustomAuth_logoff_ascx' to type 'DotNetNuke.Services.Authentication.AuthenticationLogoffBase'.

You know how you post a question to a forum after you are certain you are stumped, and then immediately after figure out the issue.

My auth template had

public partial class Logoff : UserModuleBase

I updated it to

public partial class Logoff : AuthenticationLogoffBase

And that got me to be able to start modifying code and seeing breakpoints hit

Oh, wow... You've had quite the journey through this challenge.  Sorry, I'm just now seeing this, but I was reading through this thinking you might be missing a class, and there it is.  Thank you so much for also posting the solution!  :) 

In the future, we have a working template that we usually use for authentication providers, and is about to be released in the next major release of the Upendo DNN Generator.  This will make it easier for you and others to get started in the future. Sorry it's of less help to you right now, though. :(