RCSService.GroupChatEvent.started(_:) Group chat started. Declarationcase started(RCSService.GroupChatStartedEvent) See AlsoChat life cycle eventsRCSService.GroupChatStartedEventRCSService.GroupChatEvent.ended(_:)RCSService.GroupChatEndedEventRCSService.GroupChatEvent.subjectUpdated(_:)RCSService.GroupChatSubjectUpdatedEvent