---
title: parameterID
framework: corehaptics
role: symbol
role_heading: Instance Property
path: corehaptics/chhapticparametercurve/parameterid
---

# parameterID

The parameter ID defining the type of parameter that the curve represents.

## Declaration

```swift
var parameterID: CHHapticDynamicParameter.ID { get }
```

## See Also

### Describing the Curve

- [controlPoints](corehaptics/chhapticparametercurve/controlpoints.md)
- [relativeTime](corehaptics/chhapticparametercurve/relativetime.md)