edlp_d8/core/modules/user/user.links.action.yml

user_admin_create:
  route_name: user.admin_create
  title: 'Add user'
  appears_on:
    - entity.user.collection
user.role_add:
  route_name: user.role_add
  title: 'Add role'
  appears_on:
    - entity.user_role.collection