---
title: serious
framework: avfoundation
role: symbol
role_heading: Type Property
path: avfoundation/avcapturedevice/systempressurestate-swift.class/level-swift.struct/serious
---

# serious

A level that indicates that system pressure is highly elevated.

## Declaration

```swift
static let serious: AVCaptureDevice.SystemPressureState.Level
```

## Discussion

Discussion System pressures may impact capture performance. Consider limiting the frame rate until system pressure state improves.

## See Also

### System pressure levels

- [nominal](avfoundation/avcapturedevice/systempressurestate-swift.class/level-swift.struct/nominal.md)
- [fair](avfoundation/avcapturedevice/systempressurestate-swift.class/level-swift.struct/fair.md)
- [critical](avfoundation/avcapturedevice/systempressurestate-swift.class/level-swift.struct/critical.md)
- [shutdown](avfoundation/avcapturedevice/systempressurestate-swift.class/level-swift.struct/shutdown.md)