Examine source code of Bookmark Tab Here

{
  "manifest_version": 3,
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "version": "1.2.0",
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "{bc21b9a1-3ad6-4b00-bca4-ef5b7e21253b}",
      "strict_min_version": "115.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "16": "icons/cmBookmarkStarIcon16.svg",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "64": "icons/icon64.png"
  },
  "options_ui": {
    "page": "options.htm"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "menus",
    "bookmarks",
    "tabs",
    "storage"
  ]
}