Example Article setup

The following assumes there is an entity reference field to a Tags vocabulary (used in the about section) and another field called field_media_image that references a Media entity that points to an image that can be displayed with the large image style. Also assuming this is an article behind a paywall, to illustrate how that would be configured.

@type: NewsArticle
headline: [node:title]
name: [node:title]
about: [node:field_tags]
description: [node:summary]

IMAGE
@type: ImageObject
representative Of Page: TRUE
url: [node:field_media_image:entity:field_media_image:large:url]
width: [node:field_media_image:entity:field_media_image:large:width]
height: [node:field_media_image:entity:field_media_image:large:height]

datePublished: [node:created:html_datetime]
dateModified: [node:changed:html_datetime]

HASPART
@type: WebPageElement
isAccessibleForFree: False
cssSelector: .paywall1,.paywall2
isAccessibleForFree: FALSE

AUTHOR
@type: Person
Pivot: FALSE
name: [node:author:display_name]
url: [node:author:url]

PUBLISHER
@type: Organization
name: [site:name]
url: [site:url]
LOGO
@type: ImageObject
Pivot: FALSE
representative Of Page: FALSE
url: sites/default/files/logo.png
width: 100
height: 93

mainEntityOfPage: [current-page:url]