Examine source code of Quick URL Search

{
  "manifest_version": 2,
  "name": "Quick Search",
  "version": "2.1",
  "description": "Fast search between different search engines/sites alike in MSedge",
  "permissions": [
    "activeTab"
  ],
  "omnibox": {
    "keyword": "s"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f0f8f688-de16-4ba0-aa80-b5f31e112119}"
    }
  }
}