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

crm_case.type_add:
  title: 'Add case type'
  route_name: entity.crm_case_type.add_form
  appears_on:
    - entity.crm_case_type.collection

crm_case.add_page:
  title: 'Add case'
  route_name: entity.crm_case.add_page
  appears_on:
    - entity.crm_case.collection