---
title: identifier
framework: authenticationservices
role: symbol
role_heading: Instance Property
path: authenticationservices/ascredentialserviceidentifier/identifier
---

# identifier

A string that names the identified service.

## Declaration

```swift
var identifier: String { get }
```

## See Also

### Identifying the credential service

- [type](authenticationservices/ascredentialserviceidentifier/type.md)
- [ASCredentialServiceIdentifier.IdentifierType](authenticationservices/ascredentialserviceidentifier/identifiertype.md)