MediaWiki:Apihelp-flagconfig-description
Get basic information about review flag configuration for this site.
The following parameters are returned for each tag:
- name
 - The key name of this tag.
 - levels
 - Number of levels the tag has (above "not tagged").
 - tier2
 - Level the tag must reach for a revision to be tier 2 (quality).
 - tier3
 - Level the tag must reach for a revision to be tier 3 (pristine).
 
Flagged revisions have an assigned level for each tag. The highest tier that all the tags meet is the review tier of the entire revision.