ifthenelse-8.x-1.x-dev-no-core/modules/contrib/if_then_else/if_then_else.links.action.yml

ifthenelserule.add: 
  route_name: entity.ifthenelse.add_form 
  title: 'Add If Then Else'
  appears_on: 
    - entity.ifthenelserule.collection