code: String getString(Object scope, String propertyPath) throws TemplateException
    {
      return getString(scope, propertyPath, null);
    }
docs: Convenient method to call {@link #getString(Object, String, Format)} with null formatter.
  
  @param scope object scope,
  @param propertyPath object property path.
  @return content value as string, possible null.
  @throws TemplateException if requested value is undefined.