---
title: parentUUID
framework: diskimagekit
role: symbol
role_heading: Instance Property
path: diskimagekit/diskimage/parentuuid
---

# parentUUID

A UUID of the image that must be equal to the layer UUID of the layer beneath it in the stack.

## Declaration

```swift
var parentUUID: UUID? { get }
```

## Discussion

Discussion This property is in a set state for all images in a stacked disk image, where the layer beneath them has a layerUUID.