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# reportUnknownPublicKeyCredential(relyingPartyIdentifier:credentialID:)

Informs credential managers that a specific credential is unknown or no longer accepted.

```
final func reportUnknownPublicKeyCredential(relyingPartyIdentifier: String, credentialID: Data) async throws
```

## Parameters

`relyingPartyIdentifier`

The relying party, typically a website, for which to update the credential.

`credentialID`

An identifier that uniquely identifies this credential.

## Discussion

Credential managers can act on this report by removing or hiding the credential.

This call shares the updated credential data with all credential managers installed on the system.

> Throws: This method throws ``doc://com.apple.authenticationservices/documentation/AuthenticationServices/ASAuthorizationError-swift.struct`` if the system failed to accept the update.

---

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