# Device Information

{% hint style="info" %}
**Symitar eDocs References:** [Instance Device Mapping](https://learnmore.symitar.com/edocs/#xml/SymXchange/SymXchangeDeviceCnfgInstnc_R.html), [SymXchange Device Control](https://learnmore.symitar.com/edocs/#xml/SymXchange/SymXchangeDeviceControl_R.html)
{% endhint %}

NexumAPI automatically includes the common <mark style="color:purple;">`DeviceInformation`</mark> object with each request payload as set in the configuration. This object is used by SymXchange to direct traffic to different clients on a single instance.

These values are set in the WebConsole and point to client configurations which are set in the SymXchange Parameters found in Parameter Manager.

### Definitions

* <mark style="color:purple;">`DeviceType`</mark> - typically SymXchange instance name
* <mark style="color:purple;">`DeviceNumber`</mark> - typically just an arbitrary identifier assigned to the instance device

```json
{
  // ...
  "DeviceInformation": {
    "DeviceType": "LIBUM",
    "DeviceNumber": "37359",
  }
}
```


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