8 - when an automatic claim notice is sent.
14 - changes to patron records.
16 - pref: CataloguingLog
20 - any changes to bibliographic or item records. Since this occurs whenever a book is checked in or out as well, it is not advisable to turn this on.
22 - pref: AuthoritiesLog
26 - changes to authority records.
32 - when fines are charged, paid, or forgiven.
38 - any actions on holds (create, cancel, suspend, resume, etc).
44 - when items are checked out.
50 - when items are returned.
52 - pref: SubscriptionLog
56 - when serials are added, deleted or changed.
62 - information from cron jobs.
68 - when reports are added, deleted or changed.
71 - pref: DumpTemplateVarsIntranet
75 - dump all Template Toolkit variable to a comment in the html source for the staff intranet.
77 - pref: DumpTemplateVarsOpac
81 - dump all Template Toolkit variable to a comment in the html source for the OPAC.