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Use a scheduled trigger to fire an Expert on a recurring cron schedule — daily standups, hourly health checks, end-of-week reports. Add one from the Triggers section of the Expert editor.

Adding a Schedule

  1. Open Experts in the sidebar and click the Expert you want to schedule (or click + Create Expert to make a new one).
  2. Scroll to the Triggers section and click + Add Trigger.
  3. In the trigger row, set:
    • Name — a human-readable label (e.g. weekday-standup).
    • TypeScheduled.
    • Cron expression — a 5-field cron string (see below).
    • Timezone — an IANA timezone name (e.g. America/New_York); leave blank for UTC.
    • Auto-archive sessions created by this trigger — toggle off if you want sessions to remain after they go idle.
  4. Click Save.
Once a schedule trigger is created, its type and timezone are fixed. To change them, delete the trigger and add a new one.

Cron Syntax

Cosmos uses 5-field crontab (no seconds, no macros like @daily or @hourly):
PositionFieldValues
1minute0–59
2hour0–23
3day of month1–31
4month1–12 or JAN–DEC
5day of week0–6 (Sunday=0) or SUN–SAT
Special characters: * (wildcard), , (list), - (range), / (step).

Common Cron Examples

ExpressionMeaning
* * * * *Every minute
*/5 * * * *Every 5 minutes
0 * * * *Top of every hour
0 0 * * *Daily at midnight
0 9 * * MON-FRI09:00 every weekday
0 9-17/2 * * MON-FRIWeekdays at 09, 11, 13, 15, 17
0 0 * * 0Weekly, Sunday midnight
0 0 1 * *Monthly, 1st at midnight
0 0,12 * * *Twice daily, midnight and noon

Concurrency and Reliability

  • Each schedule runs in singleton mode: if the next fire arrives while the previous run is still executing, that fire is skipped — runs are not queued.
  • Missed fires during pod transitions or leadership changes are not backfilled.
  • The session executes with the permissions of the user who created the schedule.