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

# HIDUsage.PhysicalInputDeviceUsage.romEffectBlockCount

## Declaration

```swift
case romEffectBlockCount
```