code: function(cmdPointer, next) {
  
                                          // Publish it now...
                                          commandDispatcher.dispatch(cmdPointer.command, function(err) {
                                              if (cmdPointer.callback) cmdPointer.callback(null);
                                              next();
                                          });
                                      }
docs: dipatch one command in queue and call the _next_ callback, which will call _process_ for the next command in queue.