---
title: "BlobEventInit | 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 BlobEventInit

interface BlobEventInit {  
    [bubbles](#bubbles)?: boolean;  
    [cancelable](#cancelable)?: boolean;  
    [composed](#composed)?: boolean;  
    [data](#data): Blob;  
    [timecode](#timecode)?: number;  
}

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

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

##### Index

### Properties[](#properties)

[bubbles?](#bubbles) [cancelable?](#cancelable) [composed?](#composed) [data](#data) [timecode?](#timecode)

## 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)

### data[](#data)

data: Blob

### `Optional`timecode[](#timecode)

timecode?: number