---
title: "init(dwSize:dwAttackLevel:dwAttackTime:dwFadeLevel:dwFadeTime:)"
framework: Force Feedback
role: symbol
role_heading: Initializer
platforms: [Mac Catalyst 13.0+, macOS 10.2+]
path: "forcefeedback/ffenvelope/init(dwsize:dwattacklevel:dwattacktime:dwfadelevel:dwfadetime:)"
---

# init(dwSize:dwAttackLevel:dwAttackTime:dwFadeLevel:dwFadeTime:)

## Declaration

```swift
init(dwSize: DWORD, dwAttackLevel: DWORD, dwAttackTime: DWORD, dwFadeLevel: DWORD, dwFadeTime: DWORD)
```

## See Also

### Initializers

- [init()](forcefeedback/ffenvelope/init().md)