<!--
{
  "availability" : [
    "macOS: 10.14.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "Foundation",
  "identifier" : "/documentation/Foundation/NSAttributedString/DocumentAttributeKey/appearance",
  "metadataVersion" : "0.1.0",
  "role" : "Type Property",
  "symbol" : {
    "kind" : "Type Property",
    "modules" : [
      "Foundation",
      "AppKit"
    ],
    "preciseIdentifier" : "c:@NSAppearanceDocumentAttribute"
  },
  "title" : "appearance"
}
-->

# appearance

The appearance of the document.

```
static let appearance: NSAttributedString.DocumentAttributeKey
```

---

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)