XStream xStream = new XStream(new XppDriver());
xStream.setMode(XStream.NO_REFERENCES);
String action = xStream.toXML(vars);
ChatvaluesEvent chatvaluesEvent = new ChatvaluesEvent();
chatvaluesEvent.setStarttime(currentDate.getTime()-recordingsStartTime.getTime());
chatvaluesEvent.setAction(action);
roomRecording.getChatvalues().add(chatvaluesEvent);
roomRecordingList.put(roomrecordingName, roomRecording);