code: public void actionUnlockUser() throws Exception {
  
          CmsUUID userId = new CmsUUID(m_paramUserId);
          CmsObject cms = getCms();
          CmsUser user = cms.readUser(userId);
          OpenCms.getLoginManager().unlockUser(getCms(), user);
          actionCloseDialog();
      }
docs: Unlocks the user.<p>
  
  @throws Exception if something goes wrong