---
title: HIDUsage.PhysicalInputDeviceUsage.parameterBlockSize
framework: corehid
role: symbol
role_heading: Case
path: corehid/hidusage/physicalinputdeviceusage/parameterblocksize
---

# HIDUsage.PhysicalInputDeviceUsage.parameterBlockSize

## Declaration

```swift
case parameterBlockSize
```