Download Sound

manifest.json

{
  "manifest_version": 2,
  "name": "Download Sound",
  "version": "1.5",
  "description": "Plays a sound or utters a text using speech synthesis when a download is completed.",
  "applications": {
    "gecko": {
      "strict_min_version": "49.0",
      "id": "jid1-1vdAiX6gThdiIg@jetpack"
    }
  },
  "icons": {
    "16": "icons/icon_16.png",
    "48": "icons/icon_48.png",
    "128": "icons/icon_128.png"
  },
  "permissions": [
    "downloads",
    "storage",
    "notifications"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options/options.html"
  },
  "browser_action": {
    "browser_style": true,
    "default_icon": "icons/icon_19.png"
  }
}