external_entity-1.0.x-dev/external_entity.links.menu.yml

external_entity.type.collection:
  title: External entity types
  description: Manage the external entity types.
  route_name: entity.external_entity_type.collection
  parent: system.admin_structure

external_entity.connection.collection:
  title: External Entity
  description: Manage the external entity configuration.
  route_name: entity.external_entity_connection.collection
  parent: system.admin_config_services