contacts-8.x-1.x-dev/modules/user_dashboard/contacts_user_dashboard.routing.yml

contacts_user_dashboard.summary:
  path: '/user/{user}/summary'
  defaults:
    _controller: '\Drupal\contacts_user_dashboard\Controller\UserDashboardController::userSummaryPage'
    _title: 'My account'
  requirements:
    _user_is_logged_in: 'TRUE'
    _entity_access: 'user.dashboard'