---
title: "ConfigVariant | 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 ConfigVariant<T>

ConfigVariant: [Extract](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.Extract/)<typeof [MAP\_STYLE\_CONFIG](https://docs.maptiler.com/sdk-js/api-reference/variables/Externals.MAP_STYLE_CONFIG/)\[number\], { referenceStyleID: [T](#t) }\>\["variants"\]\[number\]\["variantType"\]

#### Type Parameters

-   T extends [ConfigID](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.ConfigID/)