message_notify-8.x-1.x-dev/message_notify.services.yml

services:
  message_notify.sender:
    class: Drupal\message_notify\MessageNotifier
    arguments: ['@plugin.message_notify.notifier.manager']
  plugin.message_notify.notifier.manager:
    class: Drupal\message_notify\Plugin\Notifier\Manager
    parent: default_plugin_manager
    arguments: ['@service_container']
  logger.channel.message_notify:
    parent: logger.channel_base
    arguments: ['message_notify']