---
title: releaseTime
framework: corehaptics
role: symbol
role_heading: Type Property
path: corehaptics/chhapticevent/parameterid/releasetime
---

# releaseTime

The time at which to begin fading the haptic pattern.

## Declaration

```swift
static let releaseTime: CHHapticEvent.ParameterID
```

## Discussion

Discussion Specify the release time relative to the current time (t = 0), in seconds. It indicates when the pattern’s decay process begins. Its value ranges from 0 to 1, with a default value of 0.

## See Also

### Haptic Event Parameter IDs

- [hapticIntensity](corehaptics/chhapticevent/parameterid/hapticintensity.md)
- [hapticSharpness](corehaptics/chhapticevent/parameterid/hapticsharpness.md)
- [attackTime](corehaptics/chhapticevent/parameterid/attacktime.md)
- [decayTime](corehaptics/chhapticevent/parameterid/decaytime.md)
- [sustained](corehaptics/chhapticevent/parameterid/sustained.md)