code: public String getCurrentNavText() {
  
          try {
              String navText = getCms().readPropertyObject(
                  getParamResource(),
                  CmsPropertyDefinition.PROPERTY_NAVTEXT,
                  false).getValue();
              if (navText == null) {
                  navText = "";
              }
              return CmsEncoder.escapeXml(navText);
          } catch (CmsException e) {
              // can usually be ignored
              if (LOG.isInfoEnabled()) {
                  LOG.info(e.getLocalizedMessage());
              }
              return "";
          }
  
      }
docs: Returns the escaped NavText property value of the current resource.<p>
  
  @return the NavText property value of the current resource