How to Use the SLA Wizard in Nagios XI

Nagios XI includes an SLA Configuration wizard that enables you to easily define report periods and SLA assumptions and quickly configure monitoring for selected hosts/services or groups with SLA warning/critical thresholds, scheduling, notifications, and host/parent group settings.

You can also refer to this documentation for full details:

Here is a direct link to the PDF as well:

How to Use the SLA Configuration Wizard in Nagios XI