How to share screen with audio option enabled?

OpenVidu v2 How to implement?
5

Thank you for your suggestion, I can see the audio check box now.

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However, in the screen share video tag, the audio still show disable, and can’t hear any voice from it.
My settings as below, is it correct?

var displayMediaOptions = {

  video: {

    cursor: "always"

  },

  audio: true

};



let mediaDevices = navigator.mediaDevices as any;

mediaDevices.getDisplayMedia(displayMediaOptions).then((screenStream) => {

let screenVideoTrack = screenStream.getVideoTracks()[0];

let screenAudioTrack = screenStream.getAudioTracks()[0];

this.OVScreen.initPublisherAsync(undefined, {

  audioSource: screenAudioTrack,

  videoSource: screenVideoTrack,

  publishAudio: true,

  publishVideo: true,

  mirror: false    

})

//this.OVScreen.initPublisherAsync(undefined, publisherProperties)

.then((publisher: Publisher) => {................
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