{
    "description": "The extendedheating interface defines heating appliances which can also be controlled with a percentage range. When implementing such a device class, do not set power to true when the percentage is set.",
    "extends": "heating",
    "states": [
        {
            "name": "percentage",
            "type": "int",
            "min": 0,
            "max": 100,
            "unit": "Percentage",
            "writable": true
        }
    ]
}