Assign alert to module Navigate to the agent edition where you have the module defined and click on the alerts tab: Now add the module ( Host Alive ), the template ( Critical Condition ) and the action (  Mail to admin  ). Click on the button  Add alert . Once added, you will be able to observe in the agent view whether it is running or not, seeing the color of its status: When the host goes out of line the alert will be initiated: An email with the alert should arrive in your mailbox, something like the following: Pandora FMS alerts are extremely flexible, and therefore, sometimes complex to use. There is a chapter in the documentation specifically for them:  Alerts in Pandora FMS .