{
  "type": "object",
  "properties": {
    "supportedModes": {
      "type": "array",
      "items": {
        "type": "string",
        "enum": [
          "OFF",
          "AUTO",
          "HEAT",
          "ECO",
          "BOOST"
        ]
      },
      "description": "Supported water heater modes"
    }
  },
  "additionalProperties": false,
  "description": "Water heaters set a temperature and operating mode. Read the temperature setpoint and mode to show the settings supplied by a connected heater."
}