elevatezoomplus-8.x-1.x-dev/modules/ui/elevatezoomplus_ui.links.action.yml

elevatezoomplus.optionset_page_add:
  route_name: elevatezoomplus.optionset_page_add
  title: 'Add ElevateZoom Plus optionset'
  weight: 10
  appears_on:
    - entity.elevatezoomplus.collection