code: private void addBrokenLinkAdditionalInfo(CmsObject cms, CmsResource resource, CmsBrokenLinkBean result) {
  
          String dateLastModifiedLabel = org.opencms.workplace.commons.Messages.get().getBundle(
              OpenCms.getWorkplaceManager().getWorkplaceLocale(cms)).key(
                  org.opencms.workplace.commons.Messages.GUI_LABEL_DATE_LAST_MODIFIED_0);
          String dateLastModified = CmsVfsService.formatDateTime(cms, resource.getDateLastModified());
  
          String userLastModifiedLabel = org.opencms.workplace.commons.Messages.get().getBundle(
              OpenCms.getWorkplaceManager().getWorkplaceLocale(cms)).key(
                  org.opencms.workplace.commons.Messages.GUI_LABEL_USER_LAST_MODIFIED_0);
          String userLastModified = "" + resource.getUserLastModified();
          try {
              userLastModified = cms.readUser(resource.getUserLastModified()).getName();
          } catch (CmsException e) {
              LOG.error(e.getLocalizedMessage(), e);
          }
  
          result.addInfo(dateLastModifiedLabel, dateLastModified);
          result.addInfo(userLastModifiedLabel, userLastModified);
      }
docs: Adds additional info items for broken links.<p>
  
  @param cms the CMS context to use
  @param resource the resource from which the additional infos should be read
  @param result the result in which to store the additional info