IDP SAMLAuthnConfiguration - AuthnRequest extension

[Cantor, Scott]

> great, I think I found it in the V5 docs  (SAML configuration option
> messageHandler).

That's correct.

> So then we should be able to do something similar to what the
> buildExtensions method does in this AddAuthnRequest action, only need to
> ensure we don't erase any previously added extensions.

Yes, there are no restrictions so you can do extensive damage obviously.

-- Scott