411 REFERENCE · Wikibooks
GNU Health/Calendars
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
The corresponding official chapter: https://docs.gnuhealth.org/his/userguide/modules/calendar.html#creating-a-calendar
A calendar has a name and an owner. The owner is a party specified as a person identified as a Health Professional, who has a profile as an Internal User.