{exp:channel:entries channel="about"}
{exp:stash:set name="page_meta_description"}{about_meta_description}{/exp:stash:set}
{exp:stash:set name="page_meta_keyword"}{about_meta_keyword}{/exp:stash:set}
{exp:stash:set_list name="about" parse_tags="yes" parse_depth="2"}
{/exp:stash:set_list}
{/exp:channel:entries}
Possible set stash and set stash list with 1 channel entry tag? like mention above. currently i seperate it to 2 entry tag, cause above one won't work.