The final step in configuring a Monitor is to define the alert to generate, including options for message delivery:
This selection relates back to the Notification Groups. When you add a member (Operator) to a Notification Group, you individually the level of alerts that member receives.
For example, if the Notification Group you use for this alert has two Operators as members, but only one member is configured to receive Critical alerts, if you select the Critical option, only that member of the Notification Group receives the alert.
See also