chrome-extensions-samples/api-samples/contextMenus/basic/manifest.json

{
  "name": "Context Menus Sample",
  "description": "Shows some of the features of the Context Menus API",
  "version": "0.7",
  "permissions": ["contextMenus"],
  "background": {
    "service_worker": "sample.js"    
  },
  "manifest_version": 3
}