bm-1.0.x-dev/bm.links.action.yml

bm.type_add:
  title: 'Add booking manager type'
  route_name: entity.bm_type.add_form
  appears_on:
    - entity.bm_type.collection

bm.add_page:
  title: 'Add booking manager'
  route_name: entity.bm.add_page
  appears_on:
    - entity.bm.collection