A user can create a Scheduled Task to fire off according to the information entered on this screen.

 
The default scheduled tasks are:

• Empty Trash (deletes all items under the Trash node)
• Statistics Overview Report (emails the Statistics overview report to a specified email address)
• Unlock Objects (unlocks any locked items)
• Verity Update (updates all verity collections)
• XML Feed Update (recompiles all RSS Feeds)

Users can create their own tasks by saving a file under the <applicationName>/system/dmCron folder.