Examine source code of HangedUserSync_HJM

{
  "manifest_version": 3,
  "name": "Earthlink Full Pagination Sync",
  "version": "1.0",
  "description": "Syncs all users from all paginated pages with a single button.",
  "permissions": [
    "scripting",
    "activeTab"
  ],
  "host_permissions": [
    "https://billing.earthlink.iq/Users/UserQuery.aspx"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://billing.earthlink.iq/Users/UserQuery.aspx"
      ],
      "js": [
        "syncer.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "earthlink-sync@hasanayn.local",
      "strict_min_version": "109.0"
    }
  }
}