---
title: "isLanguageInfo | 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.

# Function isLanguageInfo

-   isLanguageInfo(obj: unknown): obj is [LanguageInfo](https://docs.maptiler.com/sdk-js/api-reference/types/LanguageInfo/)[](#islanguageinfo)
    
    #### Parameters
    
    -   obj: unknown
    
    #### Returns obj is [LanguageInfo](https://docs.maptiler.com/sdk-js/api-reference/types/LanguageInfo/)