entity.blog_type.add_form:
  route_name: entity.blog_type.add_form
  title: 'Add blog type'
  appears_on:
    - entity.blog_type.collection

#entity.taxonomy_term.add_form:
#  route_name: entity.taxonomy_term.add_form
#  title: 'Add term'
#  appears_on:
#    - entity.taxonomy_vocabulary.overview_form