---
title: hapticAttackTimeControl
framework: corehaptics
role: symbol
role_heading: Type Property
path: corehaptics/chhapticdynamicparameter/id/hapticattacktimecontrol
---

# hapticAttackTimeControl

A dynamic parameter to change the time when a haptic pattern’s intensity begins increasing.

## Declaration

```swift
static let hapticAttackTimeControl: CHHapticDynamicParameter.ID
```

## See Also

### Haptic Dynamic Parameter IDs

- [hapticIntensityControl](corehaptics/chhapticdynamicparameter/id/hapticintensitycontrol.md)
- [hapticSharpnessControl](corehaptics/chhapticdynamicparameter/id/hapticsharpnesscontrol.md)
- [hapticDecayTimeControl](corehaptics/chhapticdynamicparameter/id/hapticdecaytimecontrol.md)
- [hapticReleaseTimeControl](corehaptics/chhapticdynamicparameter/id/hapticreleasetimecontrol.md)