---
title: credentialID
framework: authenticationservices
role: symbol
role_heading: Instance Property
path: authenticationservices/aspasskeyregistrationcredential/credentialid
---

# credentialID

The identifier for this credential.

## Declaration

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

## See Also

### Accessing credential information

- [attestationObject](authenticationservices/aspasskeyregistrationcredential/attestationobject.md)
- [clientDataHash](authenticationservices/aspasskeyregistrationcredential/clientdatahash.md)
- [relyingParty](authenticationservices/aspasskeyregistrationcredential/relyingparty.md)