---
title: unknown
framework: appkit
role: symbol
role_heading: Type Property
path: appkit/nsaccessibility-swift.struct/sortdirectionvalue/unknown
---

# unknown

The sort direction is unknown.

## Declaration

```swift
static let unknown: NSAccessibility.SortDirectionValue
```

## See Also

### Sort Directions

- [ascending](appkit/nsaccessibility-swift.struct/sortdirectionvalue/ascending.md)
- [descending](appkit/nsaccessibility-swift.struct/sortdirectionvalue/descending.md)