entity.webform_ui.element.card:
  route_name: entity.webform_ui.element.add_card
  title: 'Add card'
  class: '\Drupal\webform\Plugin\Menu\LocalAction\WebformDialogLocalAction'
  weight: 20
  off_canvas: normal
  attributes:
    id: 'webform-ui-add-card'
  appears_on:
    - entity.webform.edit_form
