Task System - Shutdown
The System shutdown Task can turn off a local or remote computer.

Credentials
To control a remote computer you may need to use a Credential. The Credential must match the user name and password of the user that you want to login for. Select a Credential in the combo box or click the Settings icon to open Manage credentials in order to add or edit Credentials.
Shutdown settings
Local / Remote
Select Local to shut down the local computer. Select Remote to shut down a remote computer.
Hostname
The hostname of the remote computer to shut down. Select from the list of available network computers or type a hostname directly. Only available when Remote is selected.