Events: instances

Returns instances of the specified recurring event. Try it now or see an example.

Request

HTTP request

GET https://www.googleapis.com/calendar/v3/calendars/calendarId/events/eventId/instances

Parameters

Parameter name Value Description
Path parameters
calendarId string Calendar identifier. To retrieve calendar IDs call the calendarList.list method. If you want to access the primary calendar of the currently logged in user, use the "primary" keyword.
eventId string Recurring event identifier.
Optional query parameters
alwaysIncludeEmail boolean Deprecated and ignored. A value will always be returned in the 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).
maxAttendees integer The maximum number of attendees to include in the response. If there are more than the specified number of attendees, only the participant is returned. Optional.
maxResults integer Maximum number of events returned on one result page. By default the value is 250 events. The page size can never be larger than 2500 events. Optional.
originalStart string The original start time of the instance in the result. Optional.
pageToken string Token specifying which result page to return. Optional.
showDeleted boolean Whether to include deleted events (with status equals "cancelled") in the result. Cancelled instances of recurring events will still be included if singleEvents is False. Optional. The default is False.
timeMax datetime Upper bound (exclusive) for an event's start time to filter by. Optional. The default is not to filter by start time. Must be an RFC3339 timestamp with mandatory time zone offset.
timeMin datetime Lower bound (inclusive) for an event's end time to filter by. Optional. The default is not to filter by end time. Must be an RFC3339 timestamp with mandatory time zone offset.
timeZone string Time zone used in the response. Optional. The default is the time zone of the calendar.

Authorization

This request allows authorization with at least one of the following scopes:

Scope
https://www.googleapis.com/auth/calendar.readonly
https://www.googleapis.com/auth/calendar
https://www.googleapis.com/auth/calendar.events.readonly
https://www.googleapis.com/auth/calendar.events

For more information, see the authentication and authorization page.

Request body

Do not supply a request body with this method.

Response

If successful, this method returns a response body with the following structure:

{
  "kind": "calendar#events",
  "etag": etag,
  "summary": string,
  "description": string,
  "updated": datetime,
  "timeZone": string,
  "accessRole": string,
  "defaultReminders": [
    {
      "method": string,
      "minutes": integer
    }
  ],
  "nextPageToken": string,
  "nextSyncToken": string,
  "items": [
    events Resource
  ]
}
Property name Value Description Notes
kind string Type of the collection ("calendar#events").
etag etag ETag of the collection.
summary string Title of the calendar. Read-only.
description string Description of the calendar. Read-only.
updated datetime Last modification time of the calendar (as a RFC3339 timestamp). Read-only.
timeZone string The time zone of the calendar. Read-only.
accessRole string The user's access role for this calendar. Read-only. Possible values are:
  • "none" - The user has no access.
  • "freeBusyReader" - The user has read access to free/busy information.
  • "reader" - The user has read access to the calendar. Private events will appear to users with reader access, but event details will be hidden.
  • "writer" - The user has read and write access to the calendar. Private events will appear to users with writer access, and event details will be visible.
  • "owner" - The user has ownership of the calendar. This role has all of the permissions of the writer role with the additional ability to see and manipulate ACLs.
defaultReminders[] list The default reminders on the calendar for the authenticated user. These reminders apply to all events on this calendar that do not explicitly override them (i.e. do not have reminders.useDefault set to True).
defaultReminders[].method string The method used by this reminder. Possible values are:
  • "email" - Reminders are sent via email.
  • "popup" - Reminders are sent via a UI popup.

Required when adding a reminder.

 writable
defaultReminders[].minutes integer Number of minutes before the start of the event when the reminder should trigger. Valid values are between 0 and 40320 (4 weeks in minutes).

Required when adding a reminder.

 writable
nextPageToken string Token used to access the next page of this result. Omitted if no further results are available, in which case nextSyncToken is provided.
items[] list List of events on the calendar.
nextSyncToken string Token used at a later point in time to retrieve only the entries that have changed since this result was returned. Omitted if further results are available, in which case nextPageToken is provided.

Examples

Note: The code examples available for this method do not represent all supported programming languages (see the client libraries page for a list of supported languages).

Java

Uses the Java client library.

import com.google.api.services.calendar.Calendar;
import com.google.api.services.calendar.model.Event;
import com.google.api.services.calendar.model.Events;

// ...

// Initialize Calendar service with valid OAuth credentials
Calendar service = new Calendar.Builder(httpTransport, jsonFactory, credentials)
    .setApplicationName("applicationName").build();

// Iterate over the instances of a specific recurring event
String pageToken = null;
do {
  Events events =
      service.events().instances('primary', 'eventId').setPageToken(pageToken).execute();
  List<Event> items = events.getItems();
  for (Event event : items) {
    System.out.println(event.getSummary());
  }
  pageToken = events.getNextPageToken();
} while (pageToken != null);

Python

Uses the Python client library.

page_token = None
while True:
  events = service.events().instances(calendarId='primary', eventId='eventId',
                                      pageToken=page_token).execute()
  for event in events['items']:
    print event['summary']
  page_token = events.get('nextPageToken')
  if not page_token:
    break

PHP

Uses the PHP client library.

$events = $service->events->instances('primary', "eventId");

while(true) {
  foreach ($events->getItems() as $event) {
    echo $event->getSummary();
  }
  $pageToken = $events->getNextPageToken();
  if ($pageToken) {
    $optParams = array('pageToken' => $pageToken);
    $events = $service->events->instances('primary', "eventId",
        $optParams);
  } else {
    break;
  }
}

Ruby

Uses the Ruby client library.

page_token = nil
begin
  result = client.list_event_instances('primary', 'eventId')
  result.items.each do |e|
    print e.summary + "\n"
  end
  if result.next_page_token != page_token
    page_token = result.next_page_token
  else
    page_token = nil
  end
end while !page_token.nil?

Try it!

Use the APIs Explorer below to call this method on live data and see the response.