RRULE

Purpose: This property defines a rule or repeating pattern for recurring events, to-dos, journal entries, or time zone definitions. The representation of the RRULE follows the value type RECUR of RFC-5545 as given in [https://datatracker.ietf.org/doc/html/rfc5545#section-3.3.10] For example: "FREQ=DAILY;COUNT=10" See also https://datatracker.ietf.org/doc/html/rfc5545#section-3.8.5.3. Type: String