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# BETextSelectionDirectionNavigation

A protocol that defines methods for cursor and selection adjustments.

```
protocol BETextSelectionDirectionNavigation
```

## Overview

This protocol enables your app to request text-cursor movement and selection modifications. In response to a person’s input, the system calls your app in the conditions described by the protocol. Your app performs the requested operation and updates text cursor or selection state accordingly.

## Topics

### Extending the text section

[`extend(in:)`](/documentation/BrowserEngineKit/BETextSelectionDirectionNavigation/extend(in:))

Extends text selection in the specified directions, such as in response to an arrow key press while shift is held.

[`extend(in:by:)`](/documentation/BrowserEngineKit/BETextSelectionDirectionNavigation/extend(in:by:))

Moves the selection in the specified directions by granularity, in response to different key combinations:

### Moving the cursor

[`move(in:)`](/documentation/BrowserEngineKit/BETextSelectionDirectionNavigation/move(in:))

Moves the cursor in the specified directions, such as in response to an arrow key press.

[`move(in:by:)`](/documentation/BrowserEngineKit/BETextSelectionDirectionNavigation/move(in:by:))

Moves the cursor in the specified directions by granularity, in response to different key combinations:


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