---
title: CFSocket Name Server Keys
framework: corefoundation
role: collectionGroup
role_heading: API Collection
path: corefoundation/cfsocket-name-server-keys
---

# CFSocket Name Server Keys

Not used.

## Topics

### Constants

- [kCFSocketCommandKey](corefoundation/kcfsocketcommandkey.md)
- [kCFSocketNameKey](corefoundation/kcfsocketnamekey.md)
- [kCFSocketValueKey](corefoundation/kcfsocketvaluekey.md)
- [kCFSocketResultKey](corefoundation/kcfsocketresultkey.md)
- [kCFSocketErrorKey](corefoundation/kcfsocketerrorkey.md)
- [kCFSocketRegisterCommand](corefoundation/kcfsocketregistercommand.md)
- [kCFSocketRetrieveCommand](corefoundation/kcfsocketretrievecommand.md)