# subsystem

> Gets the XRInputSubsystem that reported this InputDevice.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine.XR](/engine/6000.5/script-reference/unityengine/xr.md)
* **Assembly:** UnityEngine.XRModule

```csharp
public XRInputSubsystem subsystem { get; }
```

### Remarks

Will return null if no [XRInputSubsystem](/engine/6000.5/script-reference/unityengine/xr/xrinputsubsystem.md) is associated with this device.