---
title: kUSBNotificationPreForcedSuspend
framework: IOKit
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 18.4+, macOS 10.9+]
path: iokit/usbnotificationtypes/kusbnotificationpreforcedsuspend
---

# kUSBNotificationPreForcedSuspend

## Declaration

```occ
kUSBNotificationPreForcedSuspend = (1 << kUSBNotificationPreForcedSuspendBit)
```

## Discussion

Discussion A notification is sent prior to a forced suspend (e.g. system sleep).