---
title: AVCaptionDimension
framework: avfoundation
role: symbol
role_heading: Structure
path: avfoundation/avcaptiondimension
---

# AVCaptionDimension

A structure that defines a caption dimension.

## Declaration

```swift
struct AVCaptionDimension
```

## Topics

### Inspecting the dimensions

- [value](avfoundation/avcaptiondimension/value.md)
- [units](avfoundation/avcaptiondimension/units.md)
- [AVCaptionUnitsType](avfoundation/avcaptionunitstype.md)

### Initializers

- [init()](avfoundation/avcaptiondimension/init().md)
- [init(value:units:)](avfoundation/avcaptiondimension/init(value:units:).md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Sendable](swift/sendable.md)