---
title: dataServiceIdentifier
framework: coretelephony
role: symbol
role_heading: Instance Property
path: coretelephony/cttelephonynetworkinfo/dataserviceidentifier
---

# dataServiceIdentifier

The identifier of the service that’s currently providing data.

## Declaration

```swift
var dataServiceIdentifier: String? { get }
```

## See Also

### Getting Information About the Cellular Service Provider

- [delegate](coretelephony/cttelephonynetworkinfo/delegate.md)
- [CTTelephonyNetworkInfoDelegate](coretelephony/cttelephonynetworkinfodelegate.md)
- [serviceCurrentRadioAccessTechnology](coretelephony/cttelephonynetworkinfo/servicecurrentradioaccesstechnology.md)
- [Radio Access Technology Constants](coretelephony/radio-access-technology-constants.md)