<!--
{
  "availability" : [
    "iOS: 13.0.0 -",
    "macCatalyst: 13.1.0 -",
    "macOS: 10.12.2 -"
  ],
  "documentType" : "symbol",
  "framework" : "AppKit",
  "identifier" : "/documentation/AppKit/NSTouchBarItem/identifier-swift.property",
  "metadataVersion" : "0.1.0",
  "role" : "Instance Property",
  "symbol" : {
    "kind" : "Instance Property",
    "modules" : [
      "AppKit"
    ],
    "preciseIdentifier" : "c:objc(cs)NSTouchBarItem(py)identifier"
  },
  "title" : "identifier"
}
-->

# identifier

The identifier for this item.

```
var identifier: NSTouchBarItem.Identifier { get }
```

## Discussion

This read-only property returns the value the item was initialized with.

For all items other than spaces, this value must be globally unique.

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)