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# NSFileProviderCustomAction

Support for custom actions.

```
protocol NSFileProviderCustomAction : NSObjectProtocol
```

## Overview

Adopt this protocol to add a custom action to the context menu (for example, when the user control-clicks an item in Finder).

If you want to create an action that displays custom user interface elements, add actions using the <doc://com.apple.documentation/documentation/FileProviderUI> framework instead. For more information, see `Adding Actions to the Context Menu`.

## Topics

### Performing Custom Actions

[`performAction(identifier:onItemsWithIdentifiers:completionHandler:)`](/documentation/FileProvider/NSFileProviderCustomAction/performAction(identifier:onItemsWithIdentifiers:completionHandler:))

Tells the File Provider extension to perform a custom action.


---

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