form.json

{
    "elements": [
        {
            "type": "Label",
            "caption": "When send commands the following zone is used for"
        },
        {
            "name": "Zone",
            "type": "Select",
            "caption": "Zone",
            "options": [
                {
                    "caption": "Tuner Main Zone",
                    "value": 1
                },
                {
                    "caption": "Tuner Zone 2",
                    "value": 2
                },
                {
                    "caption": "Tuner Zone 3",
                    "value": 3
                },
                {
                    "caption": "Tuner Zone 4",
                    "value": 4
                }
            ]
        }
    ],
    "actions": [
        {
            "type": "TestCenter"
        },
        {
            "type": "Button",
            "caption": "Request State",
            "onClick": "OAVR_RequestState($id,'ALL');"
        }
    ]
}