RTSession.setInterval(function(){

    var matchData;

    RTSession.newRequest().createMatchDetailsRequest()

            .setMatchId(RTSession.getSessionId())

            .setPlayerId(RTSession.getPlayers()[0].getPlayerId())

            .setRealtimeEnabled(true)

            .send(function(response){

                matchData = response.matchData;

            });

            var rtDataToSend = RTSession.newData().setString(1, matchData);

            RTSession.newPacket().setOpCode(5).setData(rtDataToSend).send(); 

}, 10000);

1 hour ago all work. But now, it's not working.