<!--
{
  "availability" : [
    "iOS: 26.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "TelephonyMessagingKit",
  "identifier" : "/documentation/TelephonyMessagingKit/RCSService/isViable(for:)",
  "metadataVersion" : "0.1.0",
  "role" : "Instance Method",
  "symbol" : {
    "kind" : "Instance Method",
    "modules" : [
      "TelephonyMessagingKit"
    ],
    "preciseIdentifier" : "s:21TelephonyMessagingKit10RCSServiceC8isViable3forSbAA17CellularServiceIDV_tF"
  },
  "title" : "isViable(for:)"
}
-->

# isViable(for:)

Queries whether the device can perform RCS operations at this time.

```
final func isViable(for cellularServiceID: CellularServiceID) -> Bool
```

## Parameters

`cellularServiceID`

The cellular service identifier for which to check RCS viability.

## Return Value

`true` if RCS is currently viable for the cellular service; `false`, otherwise.

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)