support-2.0.x-dev/modules/support_ticket/support_ticket.links.action.yml

support_ticket.type_add:
  route_name: support_ticket.type_add
  title: 'Add support ticket type'
  appears_on:
    - entity.support_ticket_type.collection
support_ticket.add_page:
  route_name: support_ticket.add_page
  title: 'Add support ticket'
  appears_on:
    - support.admin_support_tickets