---
title: kLSItemExtensionIsHidden
framework: coreservices
role: symbol
role_heading: Global Variable
path: coreservices/klsitemextensionishidden
---

# kLSItemExtensionIsHidden

A Boolean value that indicates the item’s extension is hidden.

## Declaration

```swift
let kLSItemExtensionIsHidden: CFString!
```

## Discussion

Discussion Use LSSetExtensionHiddenForURL(_:_:) or the URL resource property kCFURLHasHiddenExtensionKey/hasHiddenExtensionKey instead.

## See Also

### Deprecated Constants

- [kLSItemContentType](coreservices/klsitemcontenttype.md)
- [kLSItemFileType](coreservices/klsitemfiletype.md)
- [kLSItemFileCreator](coreservices/klsitemfilecreator.md)
- [kLSItemExtension](coreservices/klsitemextension.md)
- [kLSItemDisplayName](coreservices/klsitemdisplayname.md)
- [kLSItemDisplayKind](coreservices/klsitemdisplaykind.md)
- [kLSItemRoleHandlerDisplayName](coreservices/klsitemrolehandlerdisplayname.md)
- [kLSItemIsInvisible](coreservices/klsitemisinvisible.md)