Gets all Custom Devices

{
  "type": "array",
  "items": {
    "type": "object",
    "description": "Container Class for the Web API",
    "properties": {
      "Id": {
        "type": "string",
        "description": "The ID of the device"
      },
      "Name": {
        "type": "string",
        "description": "The Name of the Device"
      },
      "Serial": {
        "type": "integer",
        "format": "int64",
        "description": "The Serial number"
      },
      "ValueDate": {
        "type": "string",
        "format": "date-time",
        "description": "The Date of the Value (in UTC). If this is null the Server Time is used."
      },
      "Values": {
        "type": "array",
        "description": "The Values of the custom Device",
        "items": {
          "type": "object",
          "description": "Container Class for the Custom Device Values",
          "properties": {
            "Name": {
              "type": "string",
              "description": "The Name of the Value."
            },
            "Value": {
              "type": "number",
              "format": "double",
              "description": "The Value"
            }
          }
        }
      }
    }
  }
}