MediaWiki:Apihelp-main-param-assert
From The Canon of Nora Wiki
Verify that the user is logged in (including possibly as a temporary user) if set to user, not logged in if set to anon, or has the bot user right if bot.
Verify that the user is logged in (including possibly as a temporary user) if set to user, not logged in if set to anon, or has the bot user right if bot.