In Tenable.io, you can create a user-defined scan template -- that is, a set of predefined configuration options related to performing a scan. The term for the user-defined template is "policy" in the classic user interface and "template" in the new user interface. After you create a user-defined template, you can select it as a template when you create a scan.
Use the API to perform CRUD operations on user-defined template objects, and also copy, import, and export user-defined templates.
For background information, see: