Examine source code of BX_QUICK_ACCESS

{
  "manifest_version": 2,
  "name": "BX_QUICK_ACCESS",
  "version": "1.0.1",
  "description": "Быстрый доступ к административной панели 1C-Bitrix",
  "icons": {
    "48": "icons/bx-48.png"
  },
  "permissions": [
    "activeTab",
    "tabs",
    "notifications"
  ],
  "browser_action": {
    "default_icon": "icons/bx-48.png",
    "default_title": "Open /bitrix/admin/",
    "default_popup": "popup/index.html"
  }
}