---
title: gainCurveType
framework: phase
role: symbol
role_heading: Instance Property
path: phase/phasegrouppresetsetting/gaincurvetype
---

# gainCurveType

A rate of change for the setting’s volume.

## Declaration

```swift
var gainCurveType: PHASECurveType { get }
```

## Discussion

Discussion The framework sets the value to the init(gain:rate:gainCurveType:rateCurveType:) parameter.

## See Also

### Setting Loudness

- [gain](phase/phasegrouppresetsetting/gain.md)