---
title: "configuration(for:)"
framework: TelephonyMessagingKit
role: symbol
role_heading: Instance Method
platforms: [iOS 26.0+]
path: "telephonymessagingkit/rcsservice/configuration(for:)"
---

# configuration(for:)

Retrieves the RCS configuration for the specified cellular service.

## Declaration

```swift
final func configuration(for cellularServiceID: CellularServiceID) throws -> RCSService.Configuration
```

## Discussion

Discussion You can observe changes in configuration through the viabilityNotifications asynchronous sequence. When the service becomes viable, invoke this method to retrieve updates to the RCS configuration.

## See Also

### Managing RCS configuration

- [RCSService.Configuration](telephonymessagingkit/rcsservice/configuration.md)