---
title: itemIdentifier
framework: fileprovider
role: symbol
role_heading: Instance Property
path: fileprovider/nsfileprovidertestingingestion/itemidentifier
---

# itemIdentifier

The unique identifier for the item that changed.

## Declaration

```swift
var itemIdentifier: NSFileProviderItemIdentifier { get }
```

## See Also

### Accessing the Operation’s Data

- [item](fileprovider/nsfileprovidertestingingestion/item.md)
- [side](fileprovider/nsfileprovidertestingingestion/side.md)