Manual:$wgExtensionAliasesFiles

Details
Aliases for special pages provided by extensions.

Instead of using  , use  instead. For an example, see the documentation about man>Manual:Special pages#The Setup File|setting up a SpecialPage extension.

Prior to 1.16
Since 1.16 Use $specialPageAliases in a file referred to by  instead of this variable.

Associative array mapping special page to array of aliases. First alternative for each special page will be used as the normalized name for it. English aliases will be added to the end of the list so that they always work. The file must define a variable $aliases.

Example: