youtube_playlist-8.x-1.x-dev/youtube_playlist.routing.yml

entity.youtube_playlist.settings:
  path: 'admin/structure/youtube-playlist'
  defaults:
    _form: '\Drupal\youtube_playlist\Form\YoutubePlaylistSettingsForm'
    _title: 'Youtube playlist'
  requirements:
    _permission: 'administer youtube playlist'