---
title: wMaxPacketSize
framework: usbdriverkit
role: symbol
role_heading: Instance Property
path: usbdriverkit/iousbendpointdescriptor/wmaxpacketsize
---

# wMaxPacketSize

The maximum packet size that the endpoint supports.

## Declaration

```occ
uint16_t wMaxPacketSize;
```

## See Also

### Accessing the Descriptor Properties

- [bLength](usbdriverkit/iousbendpointdescriptor/blength.md)
- [bDescriptorType](usbdriverkit/iousbendpointdescriptor/bdescriptortype.md)
- [bEndpointAddress](usbdriverkit/iousbendpointdescriptor/bendpointaddress.md)
- [bmAttributes](usbdriverkit/iousbendpointdescriptor/bmattributes.md)
- [bInterval](usbdriverkit/iousbendpointdescriptor/binterval.md)