<!--
{
  "availability" : [
    "iOS: 9.0.0 - 27.0.0",
    "iPadOS: 9.0.0 - 27.0.0",
    "macCatalyst: 13.1.0 - 27.0.0",
    "macOS: 10.15.0 - 27.0.0",
    "tvOS: 10.0.0 - 27.0.0",
    "visionOS: 1.0.0 - 27.0.0"
  ],
  "documentType" : "symbol",
  "framework" : "PhotoKit",
  "identifier" : "/documentation/Photos/PHAssetResource/uniformTypeIdentifier",
  "metadataVersion" : "0.1.0",
  "role" : "Instance Property",
  "symbol" : {
    "kind" : "Instance Property",
    "modules" : [
      "Photos"
    ],
    "preciseIdentifier" : "c:objc(cs)PHAssetResource(py)uniformTypeIdentifier"
  },
  "title" : "uniformTypeIdentifier"
}
-->

# uniformTypeIdentifier

The uniform type identifier for the asset resource’s image or video data.

```
var uniformTypeIdentifier: String { get }
```

## Discussion

For more information, see [Uniform Type Identifiers Overview](https://developer.apple.com/library/archive/documentation/FileManagement/Conceptual/understanding_utis/understand_utis_intro/understand_utis_intro.html#//apple_ref/doc/uid/TP40001319).

---

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)