MediaWiki:Apihelp-query+userinfo-param-attachedwiki
With $1prop=centralids, indicate whether the user is attached with the wiki identified by this ID.
With $1prop=centralids, indicate whether the user is attached with the wiki identified by this ID.
Link to this page:
https://wiki.pastlives.space/MediaWiki:Apihelp-query%2Buserinfo-param-attachedwiki