RFC Reference: N/A

Number of Instances Allowed: 0, 1

Format: Integer ([RFC2445] section 4.3.8)

Brief Description: Indicates whether the VEVENT represents a non-recurring appointment, a recurring appointment, or an exception to a recurring appointment.

Importing to Calendar objects

This property SHOULD be ignored.

Exporting from Calendar objects

This property SHOULD NOT<216> be exported. The instance type of a VEVENT can be correctly determined based on the existence of the RRULE and RECURRENCE-ID properties.