project_wiki-1.x-dev/modules/project_wiki_entity_content/project_wiki_entity_content.links.action.yml

entity.project_wiki_entity_content.add_form:
  title: 'Add project wiki entity content'
  route_name: entity.project_wiki_entity_content.add_form
  appears_on:
    - entity.project_wiki_entity_content.collection

project_wiki.wiki.add_form:
  title: 'Create new entry'
  route_name: entity.project_wiki_entity_content.add_form
  appears_on:
    - project_wiki.wiki