---
title: authenticatorData
framework: authenticationservices
role: symbol
role_heading: Instance Property
path: authenticationservices/aspasskeyassertioncredential/authenticatordata
---

# authenticatorData

The authenticator data of the application that created this passkey assertion credential.

## Declaration

```swift
var authenticatorData: Data { get }
```

## See Also

### Accessing credential information

- [clientDataHash](authenticationservices/aspasskeyassertioncredential/clientdatahash.md)
- [credentialID](authenticationservices/aspasskeyassertioncredential/credentialid.md)
- [relyingParty](authenticationservices/aspasskeyassertioncredential/relyingparty.md)
- [signature](authenticationservices/aspasskeyassertioncredential/signature.md)
- [userHandle](authenticationservices/aspasskeyassertioncredential/userhandle.md)