Examine source code of NetSuite Field Finder

{
  "manifest_version": 3,
  "name": "NetSuite Field Finder",
  "version": "0.35",
  "description": "Allows user to quickly find fields in Saved Search and Workflows. Also provides additional details about fields in dropdown.",
  "content_scripts": [
    {
      "css": [
        "css/fieldfinder.css"
      ],
      "js": [
        "content.js"
      ],
      "matches": [
        "https://*.app.netsuite.com/app/common/search/*",
        "https://*.app.netsuite.com/app/common/workflow/setup/*",
        "https://*.app.netsuite.com/app/common/custom/bodycustfield.nl*",
        "https://*.app.netsuite.com/app/common/bulk/bulkop.nl*"
      ],
      "all_frames": true
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "fieldfinder.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "action": {
    "default_title": "NetSuite Field Finder",
    "default_popup": "popup.html"
  },
  "permissions": [
    "storage"
  ],
  "icons": {
    "128": "icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{38915020-eae5-484d-8120-a84656686e07}",
      "strict_min_version": "58.0"
    }
  }
}