ActionGoogle CalendarUpdated September 2026

How do I update a Google Calendar event?

Short answer: You can update event in Google Calendar by hand from its own interface, but it won’t repeat itself. On TinyCommand, add the Google Calendar Update Event action to a workflow, map its 8 inputs from any upstream app, and it runs automatically every time the trigger fires. No code, and a free tier to start.

Update Event in Google Calendar — start free All 7 Google Calendar actions

Update Event in Google Calendar — start free

Inputs

The fields this action accepts.

Every field can be mapped from an upstream trigger, AI step, table row, or hard-coded literal.

Field	Type	Required	Description
Calendar ID calendar_id	string	Required	Use 'primary' for the user's main calendar, or a specific calendar ID
Event ID event_id	string	Required	The unique identifier of the event to update
Event Title summary	string	Optional	Event Title. Example: Updated Team Standup
Description description	string	Optional	Description. Example: Updated meeting agenda
Start Date/Time start_dateTime	string	Optional	ISO 8601 format with timezone
End Date/Time end_dateTime	string	Optional	ISO 8601 format with timezone
Location location	string	Optional	Location. Example: Conference Room B
Send Notifications sendUpdates	options	Optional	Whether to send update notifications to attendees

Sample request

{
  "calendar_id": "primary",
  "event_id": "e.g. abc123def456",
  "summary": "e.g. Updated Team Standup",
  "description": "e.g. Updated meeting agenda",
  "start_dateTime": "e.g. 2025-01-20T10:00:00-05:00"
}

Returns

{
  "id": "abc123def456",
  "end": {
    "dateTime": "2025-01-20T11:00:00-05:00"
  },
  "start": {
    "dateTime": "2025-01-20T10:00:00-05:00"
  },
  "status": "confirmed",
  "summary": "Updated Team Standup",
  "updated": "2025-01-18T15:30:00.000Z",
  "htmlLink": "https://calendar.google.com/calendar/event?eid=abc123",
  "location": "Conference Room B"
}

Use these fields in downstream nodes for routing, logging, or error handling.

Triggered by

Apps that pair well as the trigger for Update Event.

Any of these apps can fire this action as part of a workflow.

Gmail → Google Calendar

1 Gmail triggers

Slack → Google Calendar

13 Slack triggers

Google Sheets → Google Calendar

2 Google Sheets triggers

HubSpot → Google Calendar

18 HubSpot triggers

FAQ

Questions about Update Event.

What does the Update Event action do in Google Calendar?

Updates an existing event on a Google Calendar: summary, description, start/end, attendees, conference link. Only the fields you pass are changed; pass sendUpdates=all to notify attendees.

What inputs does Update Event require?

Required: Calendar ID, Event ID. Every input accepts a static value or a variable from any upstream node in your workflow.

Can I use dynamic inputs from earlier workflow nodes?

Yes. Any field on this action can pull values from upstream nodes, whether that's a form response, a trigger payload, an AI output, or a lookup result.

What happens if Google Calendar returns an error?

The run history shows the failed step with its input and the error message Google Calendar returned, so you can fix the input and run the workflow again. Automatic retries are built into HTTP steps only, where you can also set your own retry count and delay.

Does Update Event support batch operations?

Run Update Event inside a loop to process each item in an array. TinyCommand does not throttle calls for you, so for large arrays add a Delay step if you need to stay within Google Calendar's rate limits.

More actions