---
title: "TileList | Weather SDK | JavaScript maps SDK"
description: "Documentation for Weather JS"
---

# Type Alias TileList

TileList: { \[key: string\]: true }

Key-value list of tile. The IDs are of the form `"z/x/y"` and the value is true. See it as a Set.

TODO: Why not using Set?

#### Type Declaration

-   ##### \[key: string\]: true