---
title: "InternalEventTargetEventProperties | 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 InternalEventTargetEventProperties<T>

InternalEventTargetEventProperties: {  
    \[K in keyof [T](#t) & string as \`on${K}\`\]: ((ev: [T](#t)\[K\]) \=> void) | null  
}

#### Type Parameters

-   T

#### Internal[](#internal)