---
title: clientDataHash
framework: authenticationservices
role: symbol
role_heading: Instance Property
path: authenticationservices/aspasskeyassertioncredential/clientdatahash
---

# clientDataHash

A hash of the client data for this credential.

## Declaration

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

## See Also

### Accessing credential information

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