---
title: "RTCDataChannelEventMap | 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.

# Interface RTCDataChannelEventMap

interface RTCDataChannelEventMap {  
    [bufferedamountlow](#bufferedamountlow): Event;  
    [close](#close): Event;  
    [closing](#closing): Event;  
    [error](#error): [RTCErrorEvent](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCErrorEvent/);  
    [message](#message): MessageEvent;  
    [open](#open): Event;  
}

##### Index

### Properties[](#properties)

[bufferedamountlow](#bufferedamountlow) [close](#close) [closing](#closing) [error](#error) [message](#message) [open](#open)

## Properties[](#properties-1)

### bufferedamountlow[](#bufferedamountlow)

bufferedamountlow: Event

### close[](#close)

close: Event

### closing[](#closing)

closing: Event

### error[](#error)

error: [RTCErrorEvent](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCErrorEvent/)

### message[](#message)

message: MessageEvent

### open[](#open)

open: Event