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# UIDocumentBrowserAction

A custom action that you can create and add to a document browser’s Edit menu or navigation bar.

```
class UIDocumentBrowserAction
```

## Overview

By default, the system provides a number of standard actions (copy, move, rename, delete, and share). To add custom actions, assign an array of [`UIDocumentBrowserAction`](/documentation/UIKit/UIDocumentBrowserAction) objects to the browser’s [`customActions`](/documentation/UIKit/UIDocumentBrowserViewController/customActions) property.

Document browser actions can appear in either the navigation bar or the Edit menu.

- *Navigation bar* actions appear in the navigation bar when the user places the browser into the Select mode.
- *Menu* actions appear in the Edit Menu when the user long presses on a document or folder.

When triggered, these actions are passed the URLs of the currently selected items.

## Topics

### Creating and configuring actions

[`init(identifier:localizedTitle:availability:handler:)`](/documentation/UIKit/UIDocumentBrowserAction/init(identifier:localizedTitle:availability:handler:))

Instantiates and returns a new browser action item.

[`image`](/documentation/UIKit/UIDocumentBrowserAction/image)

The action’s image displayed in the navigation bar.

[`supportedContentTypes`](/documentation/UIKit/UIDocumentBrowserAction/supportedContentTypes)

An array of uniform type identifiers that define the types of documents that the action supports.

[`supportsMultipleItems`](/documentation/UIKit/UIDocumentBrowserAction/supportsMultipleItems)

A Boolean value that determines whether the action can be triggered on more than one document at a time.

### Accessing activity data

[`identifier`](/documentation/UIKit/UIDocumentBrowserAction/identifier)

The action’s unique identifier.

[`localizedTitle`](/documentation/UIKit/UIDocumentBrowserAction/localizedTitle)

The title that appears in the menu or navigation bar.

[`availability`](/documentation/UIKit/UIDocumentBrowserAction/availability-swift.property)

A value that defines where the action can appear (in the Edit Menu, the navigation bar, or both).

[`UIDocumentBrowserAction.Availability`](/documentation/UIKit/UIDocumentBrowserAction/Availability-swift.struct)

Values that determine where the action can appear in the document browser.

## See Also

[`UIDocumentBrowserViewController`](/documentation/UIKit/UIDocumentBrowserViewController)

A view controller for browsing and performing actions on documents that you store locally and in the cloud.


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