{
    "options": {
        "fields": {
            "title": {
                "type": "varchar"
            },
            "autorefreshInterval": {
                "type": "enumFloat",
                "options": [0, 0.5, 1, 2, 5, 10]
            },
            "url": {
                "type": "url",
                "required": true
            }
        },
        "defaults": {
            "autorefreshInterval": 0
        },
        "layout": [
            {
                "rows": [
                    [
                        {"name": "title"},
                        false
                    ],
                    [
                        {"name": "url"},
                        {"name": "autorefreshInterval"}
                    ]
                ]
            }
        ]
    }
}