How to use the medooze-media-server.createRecorder function in medooze-media-server

connection.on('message', (frame) =>
	{
		//Get cmd
		var msg = JSON.parse(frame.utf8Data);

		//Get cmd
		if (msg.cmd==="OFFER")
		{

			//Process the sdp
			var offer = SDPInfo.process(msg.offer);

			//Create recoreder
			const recorder = MediaServer.createRecorder ("recordings/"+ Date.now() +".mp4",{
				refresh : 15000
			});

			//Create an DTLS ICE transport in that enpoint
			const transport = endpoint.createTransport(offer);
			
			transport.dump("recordings/rec-"+ Date.now()+".pcap",{
				incoming : true,
				rtcp	 : true
			});

			//Set RTP remote properties
			transport.setRemoteProperties(offer);

			//Create local SDP info
			const answer = offer.answer({

//Add it to answer
				answer.addMedia(video);
			}

			//Set RTP local  properties
			transport.setLocalProperties({
				video : answer.getMedia("video")
			});

			const ts = Date.now();
			
			//Dump contents
			//transport.dump("/tmp/"+ts+".pcap");
			//Create recoreder
			const recorder = MediaServer.createRecorder ("/tmp/"+ts +".mp4");

			//For each stream offered
			for (let offered of offer.getStreams().values())
			{
				//Create the remote stream into the transport
				const incomingStream = transport.createIncomingStream(offered);

				//Create new local stream
				const outgoingStream  = transport.createOutgoingStream({
					audio: false,
					video: true
				});

				//Get local stream info
				const info = outgoingStream.getStreamInfo();