automatic_updates-8.x-2.x-dev/config/schema/automatic_updates.schema.yml

automatic_updates.settings:
  type: config_object
  label: 'Automatic Updates settings'
  mapping:
    unattended:
      type: mapping
      label: 'Settings for unattended update'
      mapping:
        method:
          type: string
          label: 'Method of running unattended updates'
          constraints:
            NotNull: []
            Choice: [console, web]
        level:
          type: string
          label: 'Which level of unattended updates to perform'
          constraints:
            NotNull: []
            Choice: [disable, security, patch]
    cron_port:
      type: integer
      label: 'Port to use for finalization sub-request'
    allow_core_minor_updates:
      type: boolean
      label: 'Allow minor level Drupal core updates'
    status_check_mail:
      type: string
      label: 'Whether to send status check failure email notifications during cron'