{
  "description": "Whether the device is on or off.",
  "type": "object",
  "properties": {
    "value": {
      "type": "string",
      "description": "The power state of an endpoint",
      "enum": [
        "ON",
        "OFF"
      ]
    }
  },
  "required": [
    "value"
  ],
  "additionalProperties": false
}