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

# Interface RTCRtpSendParameters

interface RTCRtpSendParameters {  
    [codecs](#codecs): [RTCRtpCodecParameters](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpCodecParameters/)\[\];  
    [degradationPreference](#degradationpreference)?: [RTCDegradationPreference](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.RTCDegradationPreference/);  
    [encodings](#encodings): [RTCRtpEncodingParameters](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpEncodingParameters/)\[\];  
    [headerExtensions](#headerextensions): [RTCRtpHeaderExtensionParameters](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpHeaderExtensionParameters/)\[\];  
    [rtcp](#rtcp): [RTCRtcpParameters](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtcpParameters/);  
    [transactionId](#transactionid): string;  
}

#### Hierarchy ([View Summary](https://docs.maptiler.com/sdk-js/api-reference/hierarchy/#Externals.RTCRtpSendParameters))

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

##### Index

### Properties[](#properties)

[codecs](#codecs) [degradationPreference?](#degradationpreference) [encodings](#encodings) [headerExtensions](#headerextensions) [rtcp](#rtcp) [transactionId](#transactionid)

## Properties[](#properties-1)

### codecs[](#codecs)

codecs: [RTCRtpCodecParameters](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpCodecParameters/)\[\]

Inherited from [RTCRtpParameters](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpParameters/).[codecs](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpParameters/#codecs)

### `Optional`degradationPreference[](#degradationpreference)

degradationPreference?: [RTCDegradationPreference](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.RTCDegradationPreference/)

### encodings[](#encodings)

encodings: [RTCRtpEncodingParameters](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpEncodingParameters/)\[\]

### headerExtensions[](#headerextensions)

headerExtensions: [RTCRtpHeaderExtensionParameters](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpHeaderExtensionParameters/)\[\]

Inherited from [RTCRtpParameters](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpParameters/).[headerExtensions](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpParameters/#headerextensions)

### rtcp[](#rtcp)

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

Inherited from [RTCRtpParameters](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpParameters/).[rtcp](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.RTCRtpParameters/#rtcp)

### transactionId[](#transactionid)

transactionId: string