Examine source code of B & S For KEY

{
  "manifest_version": 3,
  "name": "Quick Trade Panel – Dual Mode",
  "version": "6",
  "description": "افزونه‌ای برای انجام سریع عملیات خرید و فروش در صفحات معاملاتی با دو حالت فارسی (خرید/فروش) و انگلیسی (B/S).",
  "content_scripts": [
    {
      "matches": [
        "https://setinrate.com/room*",
        "https://www.setinrate.com/room*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "permissions": [
    "activeTab"
  ],
  "icons": {
    "16": "icon16.png",
    "32": "icon32.png",
    "48": "icon48.png",
    "96": "icon96.png",
    "128": "icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "quicktradepanel@zeytoon",
      "strict_min_version": "109.0"
    }
  },
  "author": "Mehdi Hosseini",
  "homepage_url": "https://setinrate.com",
  "update_url": "https://addons.mozilla.org/",
  "host_permissions": [
    "https://setinrate.com/*",
    "https://www.setinrate.com/*"
  ]
}