---
title: parentIdentifier
framework: roomplan
role: symbol
role_heading: Instance Property
path: roomplan/capturedroom/surface/parentidentifier
---

# parentIdentifier

A unique alphanumeric value that identifies a surface’s parent surface.

## Declaration

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

## Discussion

Discussion For example, the parent of a window is the wall surface on which the window rests.

## See Also

### Identifying a surface

- [identifier](roomplan/capturedroom/surface/identifier.md)
- [category](roomplan/capturedroom/surface/category-swift.property.md)
- [CapturedRoom.Surface.Category](roomplan/capturedroom/surface/category-swift.enum.md)
- [confidence](roomplan/capturedroom/surface/confidence.md)