Googlecalendar Create Event

Summary (title) of the event.

Geographic location of the event as free-form text.

IANA timezone name from the timezone database (e.g., 'America/New_York', 'Europe/London', 'Asia/Jerusalem', 'UTC'). Required if datetime is naive. For recurring events, start and end must include a timeZone. If not provided, UTC is used. If datetime includes timezone info (Z or…

List of attendees. Each attendee can be either: (1) A string email address (e.g., 'user@example.com'), or (2) An object with 'email' (required), 'optional' (boolean, default false), 'displayName' (string), 'comment' (string), 'additionalGuests' (integer), and 'resource' (boolean…

Type of the event, immutable post-creation. 'workingLocation' (REQUIRES Google Workspace Enterprise). Note: 'fromGmail' events cannot be created via API.

List of RRULE, EXRULE, RDATE, EXDATE lines for recurring events. Supported frequencies: DAILY, WEEKLY, MONTHLY, YEARLY. For recurring events, start.timeZone and end.timeZone must be present. UNTIL values follow RFC 5545: date-only (YYYYMMDD) for all-day events, or UTC datetime w…

Event visibility: 'default', 'public', 'private', or 'confidential'.

Calendar identifier. Use 'primary' (recommended) for the user's main calendar. Alternatively, use a calendar ID from the user's accessible calendar list. Calendar IDs look like email addresses (e.g., 'xyz@group.calendar.google.com' for shared calendars). Important: Arbitrary ema…

Description of the event. Can contain HTML. Optional. Must be omitted for 'birthday' event type.

Event end time in ISO 8601 format: YYYY-MM-DDTHH:MM:SS. When provided, this parameter takes precedence over event_duration_hour and event_duration_minutes. If not provided, the end time is calculated using start_datetime + duration. Must be after start_datetime. Fractional secon…

Options for who should receive notifications about event changes.

'opaque' (busy) or 'transparent' (available).