User:Valmay/common.js

mw.util.addPortletLink(
 'p-personal',
 '/w/index.php?title=Special:MyPage/Sandbox&action=edit&preload=Template:User_sandbox/preload&editintro=Template:User_sandbox',
 'My sandbox',
 'pt-mysandbox',
 'Go to your sandbox',
 null,
 '#pt-preferences'
 );