---
title: GCDevicePhysicalInputElementChange.unknownChange
framework: gamecontroller
role: symbol
role_heading: Case
path: gamecontroller/gcdevicephysicalinputelementchange/unknownchange
---

# GCDevicePhysicalInputElementChange.unknownChange

It’s unknown whether there’s a change to the input value.

## Declaration

```swift
case unknownChange
```

## Mentioned in

Handling input events

## Discussion

Discussion This occurs if Game Controller removes older input states from the queue.

## See Also

### States

- [GCDevicePhysicalInputElementChange.noChange](gamecontroller/gcdevicephysicalinputelementchange/nochange.md)
- [GCDevicePhysicalInputElementChange.changed](gamecontroller/gcdevicephysicalinputelementchange/changed.md)