convertcontacts-8.x-1.0/convertcontacts.routing.yml

convertcontacts.convertcontacts_config_form:
  path: '/admin/configconvertcontacts'
  defaults:
    _form: 'Drupal\convertcontacts\Form\ConvertContactsConfigForm'
    _title: 'ConvertContacts Configuration'
  requirements:
    _permission: 'access content'
  options:
    _admin_route: TRUE