Retrieve the content of a notification template. The response shape depends on whether the template uses V1 (blocks/channels) or V2 (elemental) content. Use the version query parameter to select draft, published, or a specific historical version.
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Notification template ID (nt_ prefix).
Accepts draft, published, or a version string (e.g., v001). Defaults to published.
Template content retrieved.