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# CHHapticParameterCurve.ControlPoint

A single control point in a parameter curve.

```
class ControlPoint
```

## Topics

### Creating a Control Point

[`-  initWithRelativeTime:value:`](/documentation/CoreHaptics/CHHapticParameterCurve/ControlPoint/init(relativeTime:value:))

Creates a control point from its time and value.

### Specifying Control Point Coordinates

[`relativeTime`](/documentation/CoreHaptics/CHHapticParameterCurve/ControlPoint/relativeTime)

The time at which the associated parameter reaches this value, relative to the start time of the parameter curve.

[`value`](/documentation/CoreHaptics/CHHapticParameterCurve/ControlPoint/value)

The parameter value of the point.

## Relationships

### Conforms To

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

[`CVarArg`](/documentation/Swift/CVarArg)

[`Hashable`](/documentation/Swift/Hashable)

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

[`Equatable`](/documentation/Swift/Equatable)

### Inherits From

[`NSObject-swift.class`](/documentation/ObjectiveC/NSObject-swift.class)

---

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