cacheflush-8.x-1.x-dev/modules/cacheflush_ui/cacheflush_ui.links.menu.yml

# Cacheflush entity menu items definition
entity.cacheflush.collection:
  title: 'Cacheflush'
  route_name: entity.cacheflush.collection
  description: 'List Cacheflush entity entities'
  parent: system.admin_structure
  
entity.cacheflush.add:
  title: 'Add new'
  route_name: entity.cacheflush.add_form
  description: 'Add new Cacheflush entity'
  parent: entity.cacheflush.collection