An administrator needs to send a notification to the on-call administrator if a specific mission-critical...

The administrator should use a conditional playbook and create a playbook using alert to accomplish this task. A conditional playbook is a type of playbook that allows the administrator to define different actions based on certain conditions or criteria1. A playbook using alert is a type of playbook that is triggered by an alert policy that monitors the VM status2. By using these two features, the administrator can create a playbook that checks if the rebooted VM is the mission-critical VM and sends a notification to the on-call administrator, or else sends an email to the Operations team.

References:

Nutanix Multicloud Automation Administration (NMCAA) course, Module 3: Nutanix X-Play, Lesson 2: Nutanix X-Play Playbooks, Topic: Conditional Playbooks

Nutanix Multicloud Automation Administration (NMCAA) course, Module 4: Nutanix Calm Governance, Lesson 2: Nutanix Calm Alerts, Topic: Alert Policies and Playbooks

Nutanix Certified Professional - Multicloud Automation (NCP-MCA) v6.5 Exam Blueprint Guide, Section 1: Describe and Differentiate Automation Concepts and Principles, Objective 1.3: Define the components of X-Play