---
title: "init(shouldLoop:shouldRandomizeStartTime:normalization:calibration:mixGroupName:)"
framework: realitykit
role: symbol
role_heading: Initializer
path: "realitykit/audiobufferresource/configuration-swift.struct/init(shouldloop:shouldrandomizestarttime:normalization:calibration:mixgroupname:)"
---

# init(shouldLoop:shouldRandomizeStartTime:normalization:calibration:mixGroupName:)

## Declaration

```swift
init(shouldLoop: Bool = false, shouldRandomizeStartTime: Bool = false, normalization: AudioResource.Normalization? = nil, calibration: AudioResource.Calibration? = nil, mixGroupName: String? = nil)
```