post https://cloud.tenable.com/policies/import
Imports an existing policy (scan template) that was uploaded using the POST /file/upload endpoint. Only policies (scan templates) in .nessus format can be imported.
Note: Policies are referred to as scan templates in the user interface. The term policy is only used by the API. The two terms refer to the same feature.
Requires the Standard [32] user role. See Roles.