---
title: "SpeechSynthesisUtterance | 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.

# Variable SpeechSynthesisUtterance

SpeechSynthesisUtterance: {  
    prototype: [SpeechSynthesisUtterance](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.SpeechSynthesisUtterance/);  
    new (text?: string): [SpeechSynthesisUtterance](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.SpeechSynthesisUtterance/);  
}

#### Type Declaration

-   -   new (text?: string): [SpeechSynthesisUtterance](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.SpeechSynthesisUtterance/)
    -   #### Parameters
        
        -   `Optional`text: string
        
        #### Returns [SpeechSynthesisUtterance](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.SpeechSynthesisUtterance/)
        
-   ##### prototype: [SpeechSynthesisUtterance](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.SpeechSynthesisUtterance/)