metatag-8.x-1.x-dev/metatag_custom_tags/metatag_custom_tags.links.task.yml

entity.metatag_custom_tag.collection:
  route_name: 'entity.metatag_custom_tag.collection'
  base_route: 'entity.metatag_defaults.collection'
  title: 'Custom tags'
  weight: 20