RTCIceCandidateStats.transportId

The RTCIceCandidateStats dictionary's transportId property is a string that uniquely identifies the transport that produced the RTCTransportStats from which information about this candidate was taken.

A DOMString whose value uniquely identifies the transport from which any transport-related information accumulated in the RTCIceCandidateStats was taken. This can be used to compare candidates that would use the same transport, for example.