| site_objid | site | objid | Site internal record number | |
| pinst_objid | site_part | objid | Part internal record number | |
| scheudle_objid | schedule | objid | Schedule internal record number | |
| appointment_objid | appointment | objid | Appointment internal record number | 3 (UNIQUE) |
| start_time | appointment | start_time | Start time of appointment | 29 |
| end_time | appointment | end_time | End time of appointment | 30 |
| duration | appointment | duration | Length of appointment in seconds | 6 |
| rank | gbst_elm | rank | Position of the item in the list; important in tracking scheduled/unscheduled and config time for service interuption report | |