---
title: prf
framework: authenticationservices
role: symbol
role_heading: Instance Property
path: authenticationservices/asauthorizationplatformpublickeycredentialassertionrequest/prf-47uoa
---

# prf

## Declaration

```swift
var prf: ASAuthorizationPublicKeyCredentialPRFAssertionInput? { get set }
```

## See Also

### Accessing request properties

- [allowedCredentials](authenticationservices/asauthorizationplatformpublickeycredentialassertionrequest/allowedcredentials.md)
- [largeBlob](authenticationservices/asauthorizationplatformpublickeycredentialassertionrequest/largeblob-9kvvl.md)