geolocation-8.x-3.x-dev/modules/geolocation_gpx/geolocation_gpx.links.menu.yml

# Define default links for this module.
geolocation_gpx.content:
  route_name: view.geolocation_gpx.page_1
  title: 'GPX'
  parent: system.admin_content
  description: 'Overview of all GPX data sets.'