---
title: sourceItemIdentifier
framework: fileprovider
role: symbol
role_heading: Instance Property
path: fileprovider/nsfileprovidertestingdeletion/sourceitemidentifier
---

# sourceItemIdentifier

The unique identifier for the source item.

## Declaration

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

## See Also

### Accessing the Operation’s Data

- [targetSide](fileprovider/nsfileprovidertestingdeletion/targetside.md)
- [targetItemIdentifier](fileprovider/nsfileprovidertestingdeletion/targetitemidentifier.md)
- [targetItemBaseVersion](fileprovider/nsfileprovidertestingdeletion/targetitembaseversion.md)
- [domainVersion](fileprovider/nsfileprovidertestingdeletion/domainversion.md)