---
title: biometry
framework: localauthentication
role: symbol
role_heading: Type Property
path: localauthentication/laauthenticationrequirement/biometry
---

# biometry

The requirement that requires biometric authentication.

## Declaration

```swift
class var biometry: LAAuthenticationRequirement { get }
```

## Discussion

Discussion Authorizations with this requirement fail when biometrics aren’t available on the current device or there aren’t any enrolled biometrics on the current device.

## See Also

### Specifying authentication requirements

- [default](localauthentication/laauthenticationrequirement/default.md)
- [biometryCurrentSet](localauthentication/laauthenticationrequirement/biometrycurrentset.md)
- [biometry(fallback:)](localauthentication/laauthenticationrequirement/biometry(fallback:).md)