Examine source code of Share Checkout VTEX

{
  "version": "1.0.0",
  "name": "share-checkout",
  "description": "Captures the VTEX orderFormId from checkout pages and copies a ready-to-share checkout link.",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "64": "icons/icon-64.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4bf0261b-48cb-4973-8864-9783f709a38c}",
      "data_collection_permissions": {
        "required": [
          "browsingActivity",
          "websiteContent"
        ]
      }
    }
  },
  "author": "CALCADOS MARTE LTDA",
  "manifest_version": 2,
  "browser_action": {
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "64": "icons/icon-64.png",
      "128": "icons/icon-128.png"
    },
    "default_title": "Share Checkout Link",
    "default_popup": "action/index.html"
  },
  "permissions": [
    "activeTab",
    "clipboardWrite"
  ],
  "web_accessible_resources": [
    "content_scripts/content-0.css"
  ]
}