---
title: clientData
framework: authenticationservices
role: symbol
role_heading: Instance Property
path: authenticationservices/asauthorizationwebbrowsersecuritykeypublickeycredentialassertionrequest/clientdata-1ld1w
---

# clientData

The client data to supply to the relying party.

## Declaration

```swift
var clientData: ASPublicKeyCredentialClientData? { get }
```