---
title: "mat2 | JavaScript maps SDK"
description: "Documentation for MapTiler SDK"
---

> For AI agents: a documentation index is available at [/llms.txt](https://docs-beta-4y5.pages.dev/llms.txt). Markdown versions of all pages are available by appending .md to any URL.

# Type Alias mat2

mat2: \[number, number, number, number\] | [IndexedCollection](https://docs-beta-4y5.pages.dev/sdk-js/api-reference/interfaces/Externals.IndexedCollection/)