fixes #9877 - Add descriptions to smart_class_parameters in api/v2
(cherry picked from commit f43531494ef29c26081ece9c6ab1caea8c9fa08e)
fixes #9877 - Add descriptions to smart_class_parameters in api/v2
(cherry picked from commit f43531494ef29c26081ece9c6ab1caea8c9fa08e)