---
title: pipeRef
framework: kernel
role: symbol
role_heading: Instance Property
path: kernel/iousbdevreqoolto/1546157-piperef
---

# pipeRef

A reference to the USB pipe.

## Declaration

```occ
UInt8 pipeRef;
```

## See Also

### Getting the Properties

- [bmRequestType](kernel/iousbdevreqoolto/1546443-bmrequesttype.md)
- [bRequest](kernel/iousbdevreqoolto/1546099-brequest.md)
- [wValue](kernel/iousbdevreqoolto/1546109-wvalue.md)
- [wIndex](kernel/iousbdevreqoolto/1545920-windex.md)
- [wLength](kernel/iousbdevreqoolto/1546286-wlength.md)
- [pData](kernel/iousbdevreqoolto/1546044-pdata.md)
- [wLenDone](kernel/iousbdevreqoolto/1546113-wlendone.md)
- [completionTimeout](kernel/iousbdevreqoolto/1546368-completiontimeout.md)
- [noDataTimeout](kernel/iousbdevreqoolto/1546132-nodatatimeout.md)