Webex Calling for Chrome

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "__MSG_application_title__",
    "description": "__MSG_application_description__",
    "version": "1.0.8",
    "manifest_version": 3,
    "icons": {
        "16": "icons\/webex-icon-16.png",
        "32": "icons\/webex-icon-32.png",
        "128": "icons\/webex-icon-128.png"
    },
    "default_locale": "en",
    "action": {
        "default_title": "__MSG_application_title__ - __MSG_browser_action_default_title__",
        "default_icon": {
            "16": "icons\/webex-icon-16.png",
            "32": "icons\/webex-icon-32.png",
            "128": "icons\/webex-icon-128.png"
        }
    },
    "background": {
        "service_worker": "js\/service-worker.js"
    },
    "options_ui": {
        "page": "options.html",
        "open_in_tab": true
    },
    "content_scripts": [
        {
            "matches": [
                "https:\/\/web.webex.com\/*",
                "https:\/\/web-int.webex.com\/*"
            ],
            "js": [
                "js\/webex-content-script.js"
            ]
        },
        {
            "matches": [
                "<all_urls>"
            ],
            "exclude_matches": [
                "*:\/\/web.webex.com\/*",
                "*:\/\/web-int.webex.com\/*"
            ],
            "js": [
                "js\/click-to-call-content-script.js"
            ],
            "all_frames": true
        }
    ],
    "content_security_policy": {
        "extension_pages": "script-src 'self'; object-src 'self'"
    },
    "permissions": [
        "contextMenus",
        "background",
        "storage"
    ],
    "host_permissions": [
        "*:\/\/web.webex.com\/*",
        "*:\/\/web-int.webex.com\/*"
    ],
    "externally_connectable": {
        "ids": [
            "*"
        ],
        "matches": [
            "*:\/\/web.webex.com\/*",
            "*:\/\/web-int.webex.com\/*"
        ]
    },
    "web_accessible_resources": [
        {
            "resources": [
                "assets\/*"
            ],
            "matches": [
                "<all_urls>"
            ]
        },
        {
            "resources": [
                "options.html"
            ],
            "matches": [
                "*:\/\/web.webex.com\/*",
                "*:\/\/web-int.webex.com\/*"
            ]
        }
    ]
}