PDF Tracking for Gmail Attachment by FeatPaper

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "PDF Tracking for Gmail Attachment by FeatPaper",
    "description": "PDF open tracking and page view analytics for Gmail attachments.",
    "version": "1.0.7",
    "content_scripts": [
        {
            "matches": [
                "https:\/\/mail.google.com\/*"
            ],
            "js": [
                "content.js"
            ],
            "run_at": "document_end",
            "all_frames": true
        }
    ],
    "background": {
        "service_worker": "featBack.js"
    },
    "minimum_chrome_version": "92",
    "permissions": [
        "scripting"
    ],
    "host_permissions": [
        "https:\/\/mail.google.com\/"
    ],
    "manifest_version": 3,
    "web_accessible_resources": [
        {
            "resources": [
                "index.html",
                "assets\/*"
            ],
            "matches": [
                "https:\/\/mail.google.com\/*",
                "https:\/\/*.featpaper.com\/*",
                "https:\/\/featpaper.com\/*"
            ]
        }
    ]
}