property.json

{
    "name": "Checkbox List",
    "properties": [{
        "name": "Data",
        "fields": {
            "label": {
                "name": "Label",
                "type": "string",
                "value": "Untitled Checkbox List"
            },
            "data": {
                "name": "Choices",
                "type": "list",
                "value": ["First Choice","Second Choice","Third Choice"]
            }
        }
    }, {
        "name": "Properties",
        "fields": {
            "required": {
                "name": "Mandatory Field",
                "type": "Boolean",
                "value": true
            },
            "inline": {
                "name": "Horizontal List",
                "type": "Boolean",
                "value": false
            },
            "checkboxRight": {
                "name": "Right Align Checkboxes",
                "type": "Boolean",
                "value": false
            }
        }
    }]
}