bat-8.x-1.x-dev/modules/bat_booking/bat_booking.links.action.yml

entity.bat_booking.add_page:
  route_name: entity.bat_booking.add_page
  title: 'Add Booking'
  appears_on:
    - entity.bat_booking.collection
    - entity.bat_booking.canonical

entity.bat_booking_bundle.type_add:
  route_name: entity.bat_booking_bundle.type_add
  title: 'Add booking bundle'
  appears_on:
    - entity.bat_booking_bundle.collection