When actions are assigned to passive monitors, actions fire when the passive monitor listener for a monitor observes a specific message. For example, if you assign an SMS Direct action to a Windows Event Log passive monitor, the action fires if the Windows Event Log Listener observes a specified condition on the associated device and an SMS text message is sent to the phone number specified in the action.
As you configure passive monitors, you have the opportunity to assign actions; however, it is not required that you assign them at the time of configuration. If you decide to assign an action to the monitor at a later time, you can do so through device Properties.
To assign an action to a passive monitor: