Attribute filter policy conditional on existence of attribute?

[Peter Schober]

* Cantor, Scott via users <users at shibboleth.net> [2022-11-18 14:19]:
> OTOH, scripting is probably much clearer to somebody coming in later.

A comment in the filter might suffice to inform future-self or
co-workers.
Personally I prefer built-in methods over scripting are those are less
fragile/prone to change, cf. the JSR-223 scripting engine debacle, for
example.

-peter