This category may not be up to date; it may not show all extensions that use this hook. You can view this MediaWiki Code search query to see the most up-to-date version of all extensions that use this hook.
The GetPreferences category contains pages on extensions that use the GetPreferences /en hook.
Pages in category "GetPreferences extensions/el"
The following 4 pages are in this category, out of 4 total.