Criteria for change notifications

The criteria object specifies which calendar and calendar entries to monitor for changes and when.

The criteria object has two main properties: Type and Filter. These are described in the following table. Properties enclosed in brackets are optional.

**Table:** Criteria object properties
Property	Description	Type	Value
`criteria.Type`	Specifies the type of calendar information to monitor. This is always `"CalendarEntry"`.	string	Possible values: `"CalendarEntry"`
`[criteria.Filter]`	Specifies the calendar and calendar entries to monitor. If this property is not specified, `RequestNotification` returns notifications for all entries in the default calendar.	object	Object with the properties specified below
`[criteria.Filter.CalendarName]`	Specifies the calendar whose entries to monitor. If this property is not specified, the default calendar is used.	string	`<DriveLetter>:<FileName>` For example: `"C:Calendar"`
`[criteria.Filter.LocalIdList]`	Specifies the `LocalId`s of the entries to monitor. Use `GetList` to retrieve these. If this property is not specified, all entries in the calendar are monitored. The first `LocalId` is specified in `Filter.LocalIdList[0]`.	array of strings
`[criteria.Filter.StartRange]`	If only `StartRange` is specified, notifications are returned from this date onwards. If both `StartRange` and `EndRange` are specified, only changes that occur within these dates are notified about.	date object
`[criteria.Filter.EndRange]`	If only `EndRange` is specified, notifications are returned until this date. If both `StartRange` and `EndRange` are specified, only changes that occur within these dates are notified about.	date object
`[criteria.Filter.IncludeUndatedTodos]`	Specifies whether notifications are returned for `ToDo` entries that have no date.	boolean