---
title: isFalse
framework: kernel
role: pseudoSymbol
path: kernel/osboolean/1808215-isfalse
---

# isFalse

Checks whether the OSBoolean object represents a false bool value.

## Declaration

```occ
virtual bool isFalse() const; 
```

## Return Value

Return Value true if the OSBoolean object is false, true otherwise.

## Overview

Overview You can also use == against kOSBooleanFalse.

## See Also

### Miscellaneous

- [free](kernel/osboolean/1808144-free.md)
- [getValue](kernel/osboolean/1808164-getvalue.md)
- [isEqualTo(const OSBoolean *)](kernel/osboolean/1808182-isequalto.md)
- [isEqualTo(const OSMetaClassBase *)](kernel/osboolean/1808201-isequalto.md)
- [isTrue](kernel/osboolean/1808223-istrue.md)
- [serialize](kernel/osboolean/1808232-serialize.md)
- [taggedRelease](kernel/osboolean/1808241-taggedrelease.md)
- [taggedRetain](kernel/osboolean/1808247-taggedretain.md)
- [withBoolean](kernel/osboolean/1808251-withboolean.md)