---
title: retain
framework: driverkit
role: symbol
role_heading: Instance Method
path: driverkit/osmetaclassbase/retain
---

# retain

Retains the OSObject instance

## Declaration

```occ
virtual void retain() const;
```

## Discussion

Discussion Increases the retain count of the instance by one.

## See Also

### Managing the Object Lifecycle

- [release](driverkit/osmetaclassbase/release.md)