---
title: "IfEventMap | 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 IfEventMap<Events, True, False>

IfEventMap: {} extends [Events](#events) ? [False](#false) : [True](#true)

#### Type Parameters

-   Events extends [EventMap](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.EventMap/)<[Events](#events)\>
-   True
-   False