Properties:
| Name | Type | Argument | Description | 
|---|---|---|---|
trackId | 
            
            Track.ID | The Track ID  | 
        |
trackSid | 
            
            Track.SID | ||
timestamp | 
            
            number | A Unix timestamp in milliseconds indicating when the TrackStats were gathered  | 
        |
ssrc | 
            
            string | The Track's SSRC when transmitted over the RTCPeerConnection  | 
        |
packetsLost | 
            
            number | 
                
                
                    <nullable> | 
            
            
            The number of packets lost  | 
        
codec | 
            
            string | 
                
                
                    <nullable> | 
            
            
            The name of the codec used to encode the Track's media  |