---
title: contentIdentifier
framework: appkit
role: symbol
role_heading: Instance Property
path: appkit/nsadaptiveimageglyph/contentidentifier
---

# contentIdentifier

A unique identifier for this image.

## Declaration

```swift
var contentIdentifier: String { get }
```

## Discussion

Discussion Use this property to create a persistent reference to this specific image in your code. The image data contains this content identifier, so the value persists between instantiations.

## See Also

### Getting the content metadata

- [contentDescription](appkit/nsadaptiveimageglyph/contentdescription.md)
- [contentType](appkit/nsadaptiveimageglyph/contenttype.md)