Examine source code of Window Names

{
  "manifest_version": 3,
  "name": "Window Names",
  "version": "0.1.0",
  "description": "Give your Firefox windows custom names that show in the title bar, taskbar, and the macOS dock window menu.",
  "browser_specific_settings": {
    "gecko": {
      "id": "window-names@jimthomas",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage",
    "theme",
    "management"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "action": {
    "default_title": "Name this window",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon.svg",
      "32": "icons/icon.svg"
    }
  },
  "icons": {
    "48": "icons/icon.svg",
    "96": "icons/icon.svg"
  }
}