<!--
{
  "availability" : [
    "iOS: 16.0.0 -",
    "iPadOS: 16.0.0 -",
    "macOS: 11.3.0 -",
    "visionOS: 1.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "FileProvider",
  "identifier" : "/documentation/FileProvider/NSFileProviderTestingModification",
  "metadataVersion" : "0.1.0",
  "role" : "Protocol",
  "symbol" : {
    "kind" : "Protocol",
    "modules" : [
      "File Provider"
    ],
    "preciseIdentifier" : "c:objc(pl)NSFileProviderTestingModification"
  },
  "title" : "NSFileProviderTestingModification"
}
-->

# NSFileProviderTestingModification

An operation that syncs the modification of the source item to the target location.

```
protocol NSFileProviderTestingModification : NSFileProviderTestingOperation
```

## Topics

### Accessing the Operation’s Data

[`sourceItem`](/documentation/FileProvider/NSFileProviderTestingModification/sourceItem)

A description of the source item.

[`changedFields`](/documentation/FileProvider/NSFileProviderTestingModification/changedFields)

A list of the fields that changed.

[`targetSide`](/documentation/FileProvider/NSFileProviderTestingModification/targetSide)

The target location for the modification operation.

[`targetItemIdentifier`](/documentation/FileProvider/NSFileProviderTestingModification/targetItemIdentifier)

The unique identifier for the target item.

[`targetItemBaseVersion`](/documentation/FileProvider/NSFileProviderTestingModification/targetItemBaseVersion)

The version of the changed item.

[`domainVersion`](/documentation/FileProvider/NSFileProviderTestingModification/domainVersion)

The domain’s version when the change occurred.


---

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)