---
title: "BoxZoomHandlerOptions | JavaScript maps SDK"
description: "Documentation for MapTiler SDK"
---

> For AI agents: a documentation index is available at [/llms.txt](https://docs.maptiler.com/llms.txt). Markdown versions of all pages are available by appending .md to any URL.

# Type Alias BoxZoomHandlerOptions

A [BoxZoomHandler](https://docs.maptiler.com/sdk-js/api-reference/classes/Externals.BoxZoomHandler/) options object.

type BoxZoomHandlerOptions \= {  
    [boxZoomEnd](#boxzoomend)?: [BoxZoomEndHandler](https://docs.maptiler.com/sdk-js/api-reference/types/BoxZoomEndHandler/);  
}

##### Index

### Properties[](#properties)

[boxZoomEnd?](#boxzoomend)

## Properties[](#properties-1)

### `Optional`boxZoomEnd[](#boxzoomend)

boxZoomEnd?: [BoxZoomEndHandler](https://docs.maptiler.com/sdk-js/api-reference/types/BoxZoomEndHandler/)

A callback that runs when the user completes the Shift-drag box gesture. Providing this callback suppresses the default fit-to-box zoom behavior.