client_connection-8.x-1.x-dev/client_connection.links.menu.yml

client_connection.settings:
  title: 'Client Connections'
  description: 'Administer client connections.'
  route_name: client_connection.settings
  parent: system.admin_config

entity.client_connection_config.collection:
  title: 'Manage All'
  route_name: entity.client_connection_config.collection
  description: 'Manage all client connection instances.'
  parent: client_connection.settings
  weight: -100