Attributes available for PROFILE::clientssl iRule usage

To create some sensible logging for failed clientssl verification I would like to log which Trusted Certificate Authority has been configured.

Unfortunately the documentation at: https://clouddocs.f5.com/api/irules/PROFILE__clientssl.html is incomplete.

So far through trail and error I've been able to determine that the following is valid:

[PROFILE::clientssl name]

[PROFILE::clientssl mode]

[PROFILE::clientssl cert]

The cloud docs page suggests I should be able to just use the property name (like displayed by "show ltm profile clientssl <ssl-profile>"

However if I try "ca-file" (which is the value I'm interested in I just get an "invalid attribute class" error.

Does anybody have a complete overview of available properties or can point me to the files that contain the code for this function?