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