---
title: FFCONSTANTFORCE
framework: Force Feedback
role: symbol
role_heading: Structure
platforms: [Mac Catalyst 13.0+, macOS 10.2+]
path: forcefeedback/ffconstantforce
---

# FFCONSTANTFORCE

Contains type-specific information for the CONSTANTFORCE effect.

## Declaration

```swift
struct FFCONSTANTFORCE
```

## Overview

Overview A pointer to a single FFCONSTANTFORCE structure for an effect is passed in the lpvTypeSpecificParams member of the FFEFFECT structure.

## Topics

### Initializers

- [init()](forcefeedback/ffconstantforce/init().md)
- [init(lMagnitude:)](forcefeedback/ffconstantforce/init(lmagnitude:).md)

### Instance Properties

- [lMagnitude](forcefeedback/ffconstantforce/lmagnitude.md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Sendable](swift/sendable.md)

## See Also

### Data Types

- [FFCAPABILITIES](forcefeedback/ffcapabilities.md)
- [FFCONDITION](forcefeedback/ffcondition.md)
- [FFCUSTOMFORCE](forcefeedback/ffcustomforce.md)
- [FFEFFECT](forcefeedback/ffeffect.md)
- [FFEFFESCAPE](forcefeedback/ffeffescape.md)
- [FFENVELOPE](forcefeedback/ffenvelope.md)
- [FFPERIODIC](forcefeedback/ffperiodic.md)
- [FFRAMPFORCE](forcefeedback/fframpforce.md)