Alerts can be configured for the STATUS attribute of individual jobs in IBM i(Previously AS400) Monitor.
In the Jobs Tab, you will find an option called Add Job(s) to Monitor. You can click and add the corresponding jobs which you want to monitor.
After adding the jobs, the corresponding jobs will be added under Monitored Job(s). Now you can move the cursor over to the corresponding job and click on the Configure Alarm icon at the end. This will enable you to configure alarms for the attribute of the JOB monitored.