---
title: parameter
framework: kernel
role: symbol
role_heading: Instance Property
path: kernel/iousbhostcompletion/1520567-parameter
---

# parameter

A context pointer within the completion action.

## Declaration

```occ
void *parameter;
```

## See Also

### Getting the Properties

- [owner](kernel/iousbhostcompletion/1520592-owner.md)
- [action](kernel/iousbhostcompletion/1520580-action.md)