You can configure EDR to monitor critical events that satisfy the conditions specified in a rule and send you alert messages if events/incidents matching the condition are detected. The alert message will have the event details.
In the above screenshot following tabs are highlighted:
Actions: Define actions that the rule must take in response to the alert. configure rule actions to specify one or more actions to be performed when events matching a condition are detected. You can set alerts to be sent by Email, PagerDuty or Post to Slack. For more information see, Create a New Action | Manage Actions