---
title: "init(dwSize:dwFlags:dwDuration:dwSamplePeriod:dwGain:dwTriggerButton:dwTriggerRepeatInterval:cAxes:rgdwAxes:rglDirection:lpEnvelope:cbTypeSpecificParams:lpvTypeSpecificParams:dwStartDelay:)"
framework: Force Feedback
role: symbol
role_heading: Initializer
platforms: [Mac Catalyst 13.0+, macOS 10.2+]
path: "forcefeedback/ffeffect/init(dwsize:dwflags:dwduration:dwsampleperiod:dwgain:dwtriggerbutton:dwtriggerrepeatinterval:caxes:rgdwaxes:rgldirection:lpenvelope:cbtypespecificparams:lpvtypespecificparams:dwstartdelay:)"
---

# init(dwSize:dwFlags:dwDuration:dwSamplePeriod:dwGain:dwTriggerButton:dwTriggerRepeatInterval:cAxes:rgdwAxes:rglDirection:lpEnvelope:cbTypeSpecificParams:lpvTypeSpecificParams:dwStartDelay:)

## Declaration

```swift
init(dwSize: DWORD, dwFlags: DWORD, dwDuration: DWORD, dwSamplePeriod: DWORD, dwGain: DWORD, dwTriggerButton: DWORD, dwTriggerRepeatInterval: DWORD, cAxes: DWORD, rgdwAxes: LPDWORD!, rglDirection: LPLONG!, lpEnvelope: PFFENVELOPE!, cbTypeSpecificParams: DWORD, lpvTypeSpecificParams: UnsafeMutableRawPointer!, dwStartDelay: DWORD)
```

## See Also

### Initializers

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