---
title: kIOUSBUSB20ExtensionCapabilityBESL
framework: usbdriverkit
role: symbol
role_heading: Enumeration Case
path: usbdriverkit/kiousbusb20extensioncapabilitybesl
---

# kIOUSBUSB20ExtensionCapabilityBESL

## Declaration

```occ
kIOUSBUSB20ExtensionCapabilityBESL
```

## See Also

### Getting the Capabilities

- [kIOUSBUSB20ExtensionCapabilityLPM](usbdriverkit/kiousbusb20extensioncapabilitylpm.md)
- [kIOUSBUSB20ExtensionCapabilityBESLSupport](usbdriverkit/kiousbusb20extensioncapabilitybeslsupport.md)
- [kIOUSBUSB20ExtensionCapabilityBESLValid](usbdriverkit/kiousbusb20extensioncapabilitybeslvalid.md)
- [kIOUSBUSB20ExtensionCapabilityBESLDValid](usbdriverkit/kiousbusb20extensioncapabilitybesldvalid.md)
- [kIOUSBUSB20ExtensionCapabilityBESLPhase](usbdriverkit/kiousbusb20extensioncapabilitybeslphase.md)
- [kIOUSBUSB20ExtensionCapabilityBESLD](usbdriverkit/kiousbusb20extensioncapabilitybesld.md)
- [kIOUSBUSB20ExtensionCapabilityBESLDPhase](usbdriverkit/kiousbusb20extensioncapabilitybesldphase.md)