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

contacts.collection:
  title: Contacts
  route_name: contacts.collection
  description: 'Manage user accounts, including decoupled users.'
  parent: system.admin
  weight: 5

# Contact tab menu items definition
entity.contact_tab.collection:
  title: 'Contact tabs'
  route_name: entity.contact_tab.collection
  parent: system.admin_structure
  weight: 99

contacts.configuration:
  title: 'Contacts configuration'
  parent: user.admin_index
  description: 'Configure contacts basic settings.'
  route_name: contacts.basic_config