---
title: "MapLibreZoomEvent | 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 MapLibreZoomEvent

A `MapLibreZoomEvent` is the event type for the boxzoom-related map events emitted by the [BoxZoomHandler](https://docs.maptiler.com/sdk-js/api-reference/classes/Externals.BoxZoomHandler/).

type MapLibreZoomEvent \= {  
    [originalEvent](#originalevent): [MouseEvent](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.MouseEvent/);  
    [target](#target): [MapLibreMap](https://docs.maptiler.com/sdk-js/api-reference/classes/MapLibreMap/);  
    [type](#type): "boxzoomstart" | "boxzoomend" | "boxzoomcancel";  
}

##### Index

### Properties[](#properties)

[originalEvent](#originalevent) [target](#target) [type](#type)

## Properties[](#properties-1)

### originalEvent[](#originalevent)

originalEvent: [MouseEvent](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.MouseEvent/)

The DOM event that triggered the boxzoom event. Can be a `MouseEvent` or `KeyboardEvent`

### target[](#target)

target: [MapLibreMap](https://docs.maptiler.com/sdk-js/api-reference/classes/MapLibreMap/)

The `Map` instance that triggered the event

### type[](#type)

type: "boxzoomstart" | "boxzoomend" | "boxzoomcancel"

The type of boxzoom event. One of `boxzoomstart`, `boxzoomend` or `boxzoomcancel`