code: public String getPageProperty(String key, String identifier) {
          Space space = getSpaceManager().getSpace(identifier);
          if (space == null)
              return null;
  
          ContentEntityObject entityObject = getContentEntityManager().getById(space.getHomePage().getId());
          return getContentPropertyManager().getStringProperty(entityObject, ServerPropertiesManager.SEQUENCE + key);
      }
docs: <p>getPageProperty.</p>
  
  @param key a {@link java.lang.String} object.
  @param identifier a {@link java.lang.String} object.
  @return a {@link java.lang.String} object.