form_2.json

{
    "elements": [
        {
            "name": "Zone",
            "type": "Select",
            "caption": "Zone",
            "options": [
                {
                    "caption": "not set",
                    "value": 0
                },
                {
                    "caption": "Main",
                    "value": 1
                },
                {
                    "caption": "Zone 2",
                    "value": 2
                },
                {
                    "caption": "Zone 3",
                    "value": 3
                },
                {
                    "caption": "Zone 4",
                    "value": 4
                }
            ]
        },
        {
            "type": "ExpansionPanel",
            "caption": "Default variables",
            "items": [
                {
                    "type": "RowLayout",
                    "items": [
                        {
                            "type": "CheckBox",
                            "name": "ZVL",
                            "caption": "volume control"
                        },
                        {
                            "type": "CheckBox",
                            "name": "ZMT",
                            "caption": "mute control"
                        },
                        {
                            "type": "CheckBox",
                            "name": "SLZ",
                            "caption": "input control"
                        }
                    ]
                }
            ]
        },
        {
            "type": "ExpansionPanel",
            "caption": "Speaker sound variables",
            "items": [
                {
                    "type": "CheckBox",
                    "name": "ZTN",
                    "caption": "front speaker"
                }
            ]
        }
    ],
    "actions": [
        {
            "type": "PopupAlert",
            "popup": {
                "closeCaption": "I understand",
                "items": [
                    {
                        "type": "Label",
                        "caption": "Be careful when configuring the zone and checkboxes. Modification may delete variables!"
                    }
                ]
            }
        },
        {
            "type": "TestCenter"
        },
        {
            "type": "Button",
            "caption": "Request State",
            "onClick": "OAVR_RequestState($id,'ALL');"
        }
    ]
}