---
title: NSAccessibilityUnits.unknown
framework: appkit
role: symbol
role_heading: Case
path: appkit/nsaccessibilityunits/unknown
---

# NSAccessibilityUnits.unknown

The units are unknown.

## Declaration

```swift
case unknown
```

## See Also

### Constants

- [NSAccessibilityUnits.inches](appkit/nsaccessibilityunits/inches.md)
- [NSAccessibilityUnits.centimeters](appkit/nsaccessibilityunits/centimeters.md)
- [NSAccessibilityUnits.points](appkit/nsaccessibilityunits/points.md)
- [NSAccessibilityUnits.picas](appkit/nsaccessibilityunits/picas.md)