next_for_drupal_pantheon.links.action.yml

entity.next_for_drupal_pantheon.add_form:
  route_name: entity.next_for_drupal_pantheon.add_form
  title: "New Next.js Site"
  appears_on:
    - entity.next_for_drupal_pantheon.collection
  options:
    attributes:
      class:
        - 'use-ajax'
      data-dialog-type: 'modal'
      data-dialog-options: '{"width":"600"}'