---
title: PreviewModifierContent
framework: swiftui
role: symbol
role_heading: Structure
path: swiftui/previewmodifiercontent
---

# PreviewModifierContent

The type-erased content of a preview.

## Declaration

```swift
nonisolated struct PreviewModifierContent
```

## Relationships

### Conforms To

- [View](swiftui/view.md)

## See Also

### Defining a preview

- [Previewable()](swiftui/previewable().md)
- [PreviewProvider](swiftui/previewprovider.md)
- [PreviewPlatform](swiftui/previewplatform.md)
- [previewDisplayName(_:)](swiftui/view/previewdisplayname(_:).md)
- [PreviewModifier](swiftui/previewmodifier.md)