---
title: RCSService.GroupChatStartedEvent
framework: TelephonyMessagingKit
role: symbol
role_heading: Structure
platforms: [iOS 26.0+]
path: telephonymessagingkit/rcsservice/groupchatstartedevent
---

# RCSService.GroupChatStartedEvent

Event triggered when group chat is started.

## Declaration

```swift
struct GroupChatStartedEvent
```

## Topics

### Accessing event properties

- [cellularServiceID](telephonymessagingkit/rcsservice/groupchatstartedevent/cellularserviceid.md)
- [groupHandle](telephonymessagingkit/rcsservice/groupchatstartedevent/grouphandle.md)
- [participants](telephonymessagingkit/rcsservice/groupchatstartedevent/participants.md)
- [creator](telephonymessagingkit/rcsservice/groupchatstartedevent/creator.md)
- [subject](telephonymessagingkit/rcsservice/groupchatstartedevent/subject.md)

### Supporting RCS encryption

- [isEndToEndEncrypted](telephonymessagingkit/rcsservice/groupchatstartedevent/isendtoendencrypted.md)

## Relationships

### Conforms To

- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Supporting types

- [RCSService.GroupChatEndedEvent](telephonymessagingkit/rcsservice/groupchatendedevent.md)
- [RCSService.GroupChatParticipantsAddedEvent](telephonymessagingkit/rcsservice/groupchatparticipantsaddedevent.md)
- [RCSService.GroupChatParticipantsRemovedEvent](telephonymessagingkit/rcsservice/groupchatparticipantsremovedevent.md)
- [RCSService.GroupChatSubjectUpdatedEvent](telephonymessagingkit/rcsservice/groupchatsubjectupdatedevent.md)