---
title: "StorageEventInit | 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.

# Interface StorageEventInit

interface StorageEventInit {  
    [bubbles](#bubbles)?: boolean;  
    [cancelable](#cancelable)?: boolean;  
    [composed](#composed)?: boolean;  
    [key](#key)?: string | null;  
    [newValue](#newvalue)?: string | null;  
    [oldValue](#oldvalue)?: string | null;  
    [storageArea](#storagearea)?: Storage | null;  
    [url](#url)?: string;  
}

#### Hierarchy ([View Summary](https://docs.maptiler.com/sdk-js/api-reference/hierarchy/#Externals.StorageEventInit))

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

##### Index

### Properties[](#properties)

[bubbles?](#bubbles) [cancelable?](#cancelable) [composed?](#composed) [key?](#key) [newValue?](#newvalue) [oldValue?](#oldvalue) [storageArea?](#storagearea) [url?](#url)

## Properties[](#properties-1)

### `Optional`bubbles[](#bubbles)

bubbles?: boolean

Inherited from [EventInit](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.EventInit/).[bubbles](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.EventInit/#bubbles)

### `Optional`cancelable[](#cancelable)

cancelable?: boolean

Inherited from [EventInit](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.EventInit/).[cancelable](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.EventInit/#cancelable)

### `Optional`composed[](#composed)

composed?: boolean

Inherited from [EventInit](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.EventInit/).[composed](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.EventInit/#composed)

### `Optional`key[](#key)

key?: string | null

### `Optional`newValue[](#newvalue)

newValue?: string | null

### `Optional`oldValue[](#oldvalue)

oldValue?: string | null

### `Optional`storageArea[](#storagearea)

storageArea?: Storage | null

### `Optional`url[](#url)

url?: string