| hostId | ID of broadcast receiver. |
| buffer | Message buffer provided by caller. |
| bufferSize | Buffer size. |
| receivedSize | Received size (if received size > bufferSize, corresponding error will be set). |
| error | Error (can be cast to NetworkError for more information). |
After NetworkTransport.Receive() returns NetworkEventType.BroadcastEvent, this function returns a complimentary message from the broadcast sender.