Integration with Zendesk SP

[Peter Schober]

* Hwei Chan <hwei at nextidea.co.nz> [2017-04-10 14:16]:
> Zendesk is now working with Shibboleth. Seems like I needed to enable SAML
> SSO for both "Admin & Agents" and "End-users". Previously, I had enabled it
> for "Admin & Agents" only.

Any findings relevant to Shib? E.g.
Did you need to send the email-type NameID? Or is sending transients
(or nothing) OK, too?
Did you have to create attributes with "basic" names?
Any required attributes?
-peter