---
title: serviceIdentifier
framework: authenticationservices
role: symbol
role_heading: Instance Property
path: authenticationservices/ascredentialidentity/serviceidentifier
---

# serviceIdentifier

An identifier that helps the system know with which apps or websites to associate this credential.

## Declaration

```swift
var serviceIdentifier: ASCredentialServiceIdentifier { get }
```

## See Also

### Distinguishing identities

- [recordIdentifier](authenticationservices/ascredentialidentity/recordidentifier.md)