WhatsApp business Sender

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "WhatsApp business Sender",
  "description": "Whatsapp-web extension to send bulk message from csv as well as audio,vide,image atachment and download group contact",
  "version": "1.0.11",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_action": {
    "default_icon": "icon16.png",
    "default_popup": "popup.html"
  },
  "background": {
    "persistent": true,
    "scripts": [
      "jquery.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://web.whatsapp.com/*"
      ],
      "js": [
        "jquery.js",
        "contentScript.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "permissions": [
    "storage",
    "notifications",
    "tabs"
  ],
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'"
}