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

# Variable RTCRtpSender

RTCRtpSender: {  
    prototype: [RTCRtpSender](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpSender/);  
    getCapabilities(kind: string): [RTCRtpCapabilities](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpCapabilities/) | null;  
    new (): [RTCRtpSender](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpSender/);  
}

#### Type Declaration

-   -   new (): [RTCRtpSender](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpSender/)
    -   #### Returns [RTCRtpSender](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpSender/)
        
-   ##### prototype: [RTCRtpSender](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpSender/)
    
-   ##### getCapabilities: function
    
    -   getCapabilities(kind: string): [RTCRtpCapabilities](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpCapabilities/) | null[](#getcapabilities-1)
        
        The static method **`RTCRtpSender.getCapabilities()`** returns an object describing the codec and header extension capabilities supported by the RTCRtpSender.
        
        [MDN Reference](https://developer.mozilla.org/docs/Web/API/RTCRtpSender/getCapabilities_static)
        
        #### Parameters
        
        -   kind: string
        
        #### Returns [RTCRtpCapabilities](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpCapabilities/) | null