shibboleth SP - how to customize HTTP redirect request?

[Peter Schober]

* Cantor, Scott <cantor.2 at osu.edu> [2016-07-29 17:00]:
> It depends how dynamic it needs to be, but I did add the feature in 2.6
> that lets you feed it an AuthnRequest to issue also, so there are a few
> different ways of dealing with extensions now.

Ah, right, forgot about that.
Great, thanks.
-peter