When actions are assigned to active monitors, the action fires when the monitor issues the state specified in the action configuration. For example, if you assign a Web Alarm action to a Ping active monitor, every time the monitor cannot reach a device to which it is associated, it issues a down state for the unreachable device. After the monitor issues the down state for an unreachable device, a web alarm fires notifying you that the device is unreachable by ping.
As you configure active 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 an active monitor: