Add {{inactive|why the user is inactive|date|user=|date while user planned to be back|place the user goes|comments=additional notes}} to an inactive user's user page and/or talk page. All parameters is not required, all is optional.
The first parameter says why the user is inactive.
The second parameter is the date of the user's last revision. Defaults to a while.
The user= parameter is the user's name. Defaults to {{ROOTPAGENAME}}.
The third parameter is planned date while the user is back.
The fourth parameter is where the user travels (also gives a link to the Wikipedia article of the place where the user travels).
|comments= parameter adds also additional notes while the user is away.
This template adds pages to Category:Inactive users.