---
title: Global Constants
framework: Core WLAN
role: collectionGroup
role_heading: API Collection
path: corewlan/global-constants
---

# Global Constants

## Topics

### Constants

- [CWErrorDomain](corewlan/cwerrordomain.md)
- [CWLinkQualityNotificationRSSIKey](corewlan/cwlinkqualitynotificationrssikey.md)
- [CWLinkQualityNotificationTransmitRateKey](corewlan/cwlinkqualitynotificationtransmitratekey.md)