Add the action
In the Workflow builder, click the + button between existing blocks. Select Update Google Calendar Event from the action list.

Rename the action (optional)
Click the … in the top-right of the action box and select Rename to enter a more descriptive name.

Connect Google Calendar
Connect the Google Calendar account that contains the event you want to update. Click the action box to open the configuration panel, then click Connect.

Add Event ID and event details
Event ID is required. Add it in one of two ways:


- Select an existing Event ID from the dropdown (e.g., from a trigger or previous Get Events action)
- Enter a value or variable manually



Configure optional fields (optional)
Under Optional Fields, you can add:
- Calendar — choose which calendar the updated event belongs to (defaults to primary calendar)
- Time Zone — override the time zone (default is the primary calendar’s time zone)
- Event Location — specify the event location
- Attendees — array or comma-separated list of attendee email addresses
- Repeat Frequency — make the event repeat
- Send Updates — configure whether to send notifications about the update