---
title: "RTCDTMFSenderEventMap | JavaScript maps SDK"
description: "Documentation for MapTiler SDK"
---

> For AI agents: a documentation index is available at [/llms.txt](https://docs-qmgv.pages.dev/llms.txt). Markdown versions of all pages are available by appending .md to any URL.

# Interface RTCDTMFSenderEventMap

interface RTCDTMFSenderEventMap {  
    [tonechange](#tonechange): [RTCDTMFToneChangeEvent](https://docs-qmgv.pages.dev/sdk-js/api-reference/interfaces/Externals.RTCDTMFToneChangeEvent/);  
}

##### Index

### Properties[](#properties)

[tonechange](#tonechange)

## Properties[](#properties-1)

### tonechange[](#tonechange)

tonechange: [RTCDTMFToneChangeEvent](https://docs-qmgv.pages.dev/sdk-js/api-reference/interfaces/Externals.RTCDTMFToneChangeEvent/)