tribute_cards.links.action.yml

entity.card_entity.add_form:
  route_name: entity.card_entity.add_page
  title: 'Add Tribute Card'
  appears_on:
    - entity.card_entity.collection
entity.card_entity_type.add_form:
  route_name: entity.card_entity_type.add_form
  title: 'Add Tribute Card Type'
  appears_on:
    - entity.card_entity_type.collection
entity.ecard_item.add_form:
  route_name: entity.ecard_item.add_page
  title: 'Add Ecard Item'
  appears_on:
    - entity.ecard_item.collection
    - entity.card_entity.collection
# Hide Add Ecard Item type action link
# entity.ecard_item_type.add_form:
#   route_name: entity.ecard_item_type.add_form
#   title: 'Add Ecard Item type'
#   appears_on:
#     - entity.ecard_item_type.collection