Use cases → Scheduling
Company-wide calendar event creation and updates
Push or update calendar events across every user, handling large-scale scheduling from a delegated service account.
| Who it is for | IT admins and automation engineers responsible for fleet-wide event scheduling or company announcements. |
|---|---|
| APIs | Calendar API |
| Typical scopes | calendar |
The problem
Manually inviting employees to new or updated company events is slow and error-prone, especially during urgent changes. Delegated automation is needed to reliably insert or update events for all users without user-by-user action.
How it works
- Enumerate all active users' primary calendars using the Admin SDK.
- For each user, use the service account to impersonate and insert or patch the event directly to their calendar.
- Track eventId and calendarId mappings to ensure updates target the correct event in each user's calendar.
- Monitor for quota errors and back off as required to avoid throttling.
- Verify event propagation by checking each user's calendar for the event after a delay.
What changes
All users receive the event with the intended details, and future updates can be applied reliably to the same event instances.
Watch it explained
“Create a Google Calendar Event via API - tutorial” — Philly B on YouTube. Third-party video, included because it covers this ground well. We are not affiliated with the channel.
Questions people ask
Can I use a single eventId for all users?
No. The Calendar API scopes eventId uniqueness to a single calendar. Using the same eventId in separate users' calendars creates unrelated events.
How do I update an event for all users?
You must store the eventId and calendarId for each user's event instance, then PATCH each one individually when making updates.
Want this built?
This is a pattern we run in production. We will set up the delegation and build this on top of it — $500 per hour, most of it working the same day.
Talk to us Or read the setup guideRelated use cases
Build a real picture of team availability
Read calendars across the domain to answer who is free, who is overloaded and where the week actually went.
Turn a finished meeting into follow-up automatically
Detect that a meeting happened, pull the notes, and draft the follow-up before anyone opens their laptop.
Turn a booking into a record everywhere it matters
When a meeting is booked, create the record, the folder and the confirmation in one pass.