---
title: wBytesPerInterval
framework: usbdriverkit
role: symbol
role_heading: Instance Property
path: usbdriverkit/iousbsuperspeedendpointcompaniondescriptor/wbytesperinterval
---

# wBytesPerInterval

The total number of bytes this endpoint transfers during each service interval.

## Declaration

```occ
uint16_t wBytesPerInterval;
```

## See Also

### Accessing the Descriptor Properties

- [bLength](usbdriverkit/iousbsuperspeedendpointcompaniondescriptor/blength.md)
- [bDescriptorType](usbdriverkit/iousbsuperspeedendpointcompaniondescriptor/bdescriptortype.md)
- [bMaxBurst](usbdriverkit/iousbsuperspeedendpointcompaniondescriptor/bmaxburst.md)
- [bmAttributes](usbdriverkit/iousbsuperspeedendpointcompaniondescriptor/bmattributes.md)