[role="xpack"]
[[ml-event-resource]]
=== Scheduled Event Resources

An events resource has the following properties:

`calendar_id`::
  (string) An identifier for the calendar that contains the scheduled
  event. This property is optional in the <<ml-post-calendar-event>>. 

`description`::
  (string) A description of the scheduled event.

`end_time`::
  (string) The timestamp for the end of the scheduled event. The datetime string
  is in ISO 8601 format.

`event_id`::
  (string) An automatically-generated identifier for the scheduled event.

`start_time`::
 (string) The timestamp for the beginning of the scheduled event. The datetime
 string is in ISO 8601 format.

For more information, see
{xpack-ref}/ml-calendars.html[Calendars and Scheduled Events].
