code: public void setParamTabWpFolder(String value) {
  
          // perform self - healing
          if (!getCms().existsResource(value, CmsResourceFilter.IGNORE_EXPIRATION)) {
              value = "/";
          }
          m_userSettings.setStartFolder(value);
      }
docs: Sets the "start folder" setting.<p>
  
  @param value the start folder to show in the explorer view