code: public static String getAppId() {
          if (appId != null)
              return appId;
          appId = PropertyManager.getProperty(PropertyNames.MDW_APP_ID);
          if (appId == null) // try legacy property
              appId = PropertyManager.getProperty("mdw.application.name");
          if (appId == null)
              return "Unknown";
          return appId;
      }
docs: Returns the application name