---
title: NO
framework: objectivec
role: symbol
role_heading: Macro
path: objectivec/no
---

# NO

Defines NO as 0.

## Declaration

```occ
#define NO
```

## Discussion

Discussion The NO macro from Objective-C is bridged to Swift as an ObjCBool value of false.

## See Also

### Constants

- [YES](objectivec/yes.md)