---
title: cellularServiceID
framework: TelephonyMessagingKit
role: symbol
role_heading: Instance Property
platforms: [iOS 26.5+]
path: telephonymessagingkit/rcsservice/groupchatsubjectinvalidatedevent/cellularserviceid
---

# cellularServiceID

Cellular service identifier associated with this event.

## Declaration

```swift
let cellularServiceID: CellularServiceID
```