---
title: NSNotAPointerMapKey
framework: foundation
role: symbol
role_heading: Macro
path: foundation/nsnotapointermapkey
---

# NSNotAPointerMapKey

Predefined notAKeyMarker for use with NSMapTableKeyCallBacks.

## Declaration

```occ
#define NSNotAPointerMapKey
```

## See Also

### Constants

- [NSNotAnIntMapKey](foundation/nsnotanintmapkey.md)
- [NSNotAnIntegerMapKey](foundation/nsnotanintegermapkey.md)