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

# HIDUsage.PhysicalInputDeviceUsage.effectParameterBlockIndex

## Declaration

```swift
case effectParameterBlockIndex
```