Updates an event. This method supports patch semantics. Note that each patch request consumes three quota units; prefer using a get
followed by an update
. The field values you specify replace the existing values. Fields that you don't specify in the request remain unchanged. Array fields, if specified, overwrite the existing arrays; this discards any previous array elements. Try it now
.
Request
HTTP request
PATCH https://www.googleapis.com/calendar/v3/calendars/ calendarId /events/ eventId
Parameters
calendarId
string
primary
" keyword.eventId
string
alwaysIncludeEmail
boolean
email
field for the organizer, creator and attendees, even if no real email address is available (i.e. a generated, non-working value will be provided).conferenceDataVersion
integer
0
to 1
, inclusive.maxAttendees
integer
sendNotifications
boolean
Whether to send notifications about the event update (for example, description changes, etc.). Note that some emails might still be sent even if you set the value to
false
. The default is false
.sendUpdates
string
Acceptable values are:
- "
all": Notifications are sent to all guests. - "
externalOnly": Notifications are sent to non-Google Calendar guests only. - "
none": No notifications are sent. For calendar migration tasks, consider using the Events.import method instead.
supportsAttachments
boolean
Authorization
This request requires authorization with at least one of the following scopes:
| Scope |
|---|
https://www.googleapis.com/auth/calendar
|
https://www.googleapis.com/auth/calendar.events
|
https://www.googleapis.com/auth/calendar.app.created
|
https://www.googleapis.com/auth/calendar.events.owned
|
For more information, see the authentication and authorization page.
Request body
In the request body, supply the relevant portions of an Events resource , according to the rules of patch semantics.
Response
If successful, this method returns an Events resource in the response body.
Try it!
Use the APIs Explorer below to call this method on live data and see the response.

