The VTListenOptions model enables a participant to join a conference as a listener, with the specified conference options.
▸ maxVideoForwarding: Int?
Sets the maximum number of video streams that may be transmitted to the joining participant. The valid values are between 0 and 4. In the case of providing a value smaller than 0 or greater than 4, SDK triggers the videoForwarding error.
▸ conferenceAccessToken: String?
The conference access token required to join a protected conference.