---
title: ASExtensionError.Code.matchedExcludedCredential
framework: authenticationservices
role: symbol
role_heading: Case
path: authenticationservices/asextensionerror/code/matchedexcludedcredential
---

# ASExtensionError.Code.matchedExcludedCredential

This error should only be used for a passkey registration request, if the @c excludedCredentials property matches a known passkey.

## Declaration

```swift
case matchedExcludedCredential
```