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# init(parameterID:controlPoints:relativeTime:)

Creates a parameter curve from its parameter ID, control points, and start time.

```
init(parameterID: CHHapticDynamicParameter.ID, controlPoints: [CHHapticParameterCurve.ControlPoint], relativeTime: TimeInterval)
```

## Parameters

`parameterID`

The ID indicating the type of the dynamic parameter that the parameter curve is modifying.

`controlPoints`

An array of control points defining how the parameter curve changes over time.

`relativeTime`

The time at which to start applying the parameter curve.

---

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