code: function(roomName, appRoomObj, callback) {
                  // Join room. Creates a default connection room object
                  e.app[appName].connection[easyrtcid].room[roomName] = {
                      apiField: {},
                      enteredOn: Date.now(),
                      gotListOn: Date.now(),
                      clientList: {},
                      toRoom: e.app[appName].room[roomName]
                  };
  
                  // Add easyrtcid to room clientList
                  e.app[appName].room[roomName].clientList[easyrtcid] = {
                      enteredOn: Date.now(),
                      modifiedOn: Date.now(),
                      toConnection: e.app[appName].connection[easyrtcid]
                  };
  
                  // Returns connection room object to callback.
                  connectionObj.room(roomName, callback);
              }
docs: Local private function to create the default connection-room object in the private variable