1. Nutanix Calm Administration & Operations Guide v3.6, “Self-Service Library → Task Library”, p.147-148: “Tasks become available in Library only after being published from a Blueprint or Runbook that contains them.”
2. Nutanix University – Multicloud Automation (MCA) Administration Courseware, Module 5 “Working with the Self-Service Library”, slide 18: “Publish Blueprint/Runbook → Tasks marked for Library appear under Library > Tasks.”
3. Nutanix Calm 3.7 User Guide, Section 7.4 “Publishing a Blueprint”, para 3: “Publishing extracts selectable tasks into the global Task Library for reuse.”
These sources collectively confirm that publishing from a Blueprint/Runbook is the sole method for a task to be listed in the Self-Service Library.