---
title: parameter
framework: hiddriverkit
role: symbol
role_heading: Instance Property
path: hiddriverkit/iohidcompletion/parameter
---

# parameter

The parameter to pass to the action function.

## Declaration

```occ
void * parameter;
```

## See Also

### Getting the Completion Handler Properties

- [target](hiddriverkit/iohidcompletion/target.md)
- [action](hiddriverkit/iohidcompletion/action.md)