---
title: "ReadonlyVec3 | 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 ReadonlyVec3

ReadonlyVec3: readonly \[number, number, number\] | [IndexedCollection](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.IndexedCollection/)