---
title: cellularServiceID
framework: TelephonyMessagingKit
role: symbol
role_heading: Instance Property
platforms: [iOS 26.0+]
path: telephonymessagingkit/rcsservice/changegroupchatsubjectrequest/cellularserviceid
---

# cellularServiceID

Service identifier to use for this request.

## Declaration

```swift
var cellularServiceID: CellularServiceID
```

## See Also

### Accessing request properties

- [groupHandle](telephonymessagingkit/rcsservice/changegroupchatsubjectrequest/grouphandle.md)
- [newSubject](telephonymessagingkit/rcsservice/changegroupchatsubjectrequest/newsubject.md)