Updated to Drupal 8.5. Core Media not yet in use.

[yaffs-website] / web / core / modules / action / tests / action_form_ajax_test / config / schema / action_form_ajax_test.schema.yml

action.configuration.action_form_ajax_test:
  type: action_configuration_default
  label: 'action_form_ajax_test action'
  mapping:
    party_time:
      type: string
      label: 'The time of the party.'