---
title: "GridKey | 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 GridKey

type GridKey \= {  
    [overlapMode](#overlapmode)?: [OverlapMode](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.OverlapMode/);  
}

##### Index

### Properties[](#properties)

[overlapMode?](#overlapmode)

## Properties[](#properties-1)

### `Optional`overlapMode[](#overlapmode)

overlapMode?: [OverlapMode](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.OverlapMode/)