From Meta, a Wikimedia project coordination wiki

To respect the standard archival system, put in the talk/page in question a code like this, replacing the base page name as it fits:

|minthreadsleft = 2
|minthreadstoarchive = 1
|algo = old(30d)
|archive = Wikimedia Forum/Archives/%(year)d-%(month)02d
{{Archive box}} 
Click here to read how to set up automated archiving of a page.