code: function () {
              var infoObj = {
                  installerPath: formattedInstallerPath,
                  logFilePath: formattedLogFilePath,
                  installStatusFilePath: installStatusFilePath
              };
  
              if (brackets.platform === "mac") {
                  var additionalParams = getAdditionalParams(),
                      key;
  
                  for (key in additionalParams) {
                      if (additionalParams.hasOwnProperty(key)) {
                          infoObj[key] = additionalParams[key];
                      }
                  }
              }
  
              // Set update parameters for app update
              if (brackets.app.setUpdateParams) {
                  brackets.app.setUpdateParams(JSON.stringify(infoObj), function (err) {
                      if (err) {
                          resetStateInFailure("AutoUpdate : Update parameters could not be set for the installer. Error encountered: " + err);
                      } else {
                          setAppQuitHandler();
                          CommandManager.execute(Commands.FILE_QUIT);
                      }
                  });
              } else {
                  resetStateInFailure("AutoUpdate : setUpdateParams could not be found in shell");
              }
          }
docs: Update function, to carry out app update