a8d89189_eters_to_index_php___MediaWiki__Name
[Function] Performs various actions related to changing the page (see below for more details): By default, shows the page in edit form, with edit box. Various other arguments can be used to: Change a page, preview a new version of the page, or show the difference with a new version (see edit and submit section below for details); [Example] www.mediawiki.org/w/index.php?title=Project:Sandbox&action=submit [Name] 
submit
Manual:Parameters to index.php - MediaWiki