Template:Undocumented MediaWiki Hook

This hooks>Special:MyLanguage/Manual:Hooks|MediaWiki hook is undocumented. Please improve the MediaWiki by adding documentation to it. See mediawikihook>Special:Mylanguage/Template:MediaWikiHook|Template:MediaWikiHook for instructions on how to do it. Documentation is most likely available in  in the MediaWiki repository.

For examples of extensions using this hook, see Category: extensions.