---
title: kAUMIDISynthProperty_EnablePreload
framework: audiotoolbox
role: symbol
role_heading: Global Variable
path: audiotoolbox/kaumidisynthproperty_enablepreload
---

# kAUMIDISynthProperty_EnablePreload

## Declaration

```swift
var kAUMIDISynthProperty_EnablePreload: AudioUnitPropertyID { get }
```