---
title: required
framework: authenticationservices
role: symbol
role_heading: Type Property
path: authenticationservices/asauthorizationpublickeycredentialuserverificationpreference/required
---

# required

The relying party requires user verification.

## Declaration

```swift
static let required: ASAuthorizationPublicKeyCredentialUserVerificationPreference
```

## See Also

### Getting preferences

- [discouraged](authenticationservices/asauthorizationpublickeycredentialuserverificationpreference/discouraged.md)
- [preferred](authenticationservices/asauthorizationpublickeycredentialuserverificationpreference/preferred.md)