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# ASPublicKeyCredential

An interface that defines the properties of the public key.

```
protocol ASPublicKeyCredential : ASAuthorizationCredential
```

## Topics

### Getting the properties

[`credentialID`](/documentation/AuthenticationServices/ASPublicKeyCredential/credentialID)

An identifier that the authenticator generates during registration to uniquely identify a specific credential.

[`rawClientDataJSON`](/documentation/AuthenticationServices/ASPublicKeyCredential/rawClientDataJSON)

Raw data that contains a JSON-compatible encoding of the client data.


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