procedureAlarmsNotMutable You can’t create or modify procedure alarms. Declarationstatic var procedureAlarmsNotMutable: EKError.Code { get } See AlsoError CodeseventNotMutablenoCalendarnoEndDatenoStartDatedatesInvertedinternalFailurecalendarReadOnlydurationGreaterThanRecurrencealarmGreaterThanRecurrencestartDateTooFarInFuturestartDateCollidesWithOtherOccurrenceobjectBelongsToDifferentStoreinvitesCannotBeMovedinvalidSpancalendarHasNoSource