---
title: NSOpenStepUnicodeReservedBase
framework: foundation
role: collectionGroup
role_heading: API Collection
path: foundation/1560803-nsopenstepunicodereservedbase
---

# NSOpenStepUnicodeReservedBase

Specifies lower bound for a Unicode character range reserved for Apple’s corporate use.

## Topics

### Constants

- [NSOpenStepUnicodeReservedBase](foundation/nsopenstepunicodereservedbase.md)

## See Also

### Creating a Custom Character Set

- [init(coder:)](foundation/nscharacterset/init(coder:).md)
- [init(charactersIn:)](foundation/nscharacterset/init(charactersin:).md)
- [init(range:)](foundation/nscharacterset/init(range:).md)