---
title: appleITTTop
framework: avfoundation
role: symbol
role_heading: Type Property
path: avfoundation/avcaptionregion/appleitttop
---

# appleITTTop

The top region for iTT format captions.

## Declaration

```swift
class var appleITTTop: AVCaptionRegion { get }
```

## Discussion

Discussion This region is available when working with iTT captions. It occupies the top 15% of the display area, and it uses a LRTB layout where a line progresses from left to right and the block extends from top to bottom. Lines are top justified.

## See Also

### Accessing defined regions

- [appleITTBottom](avfoundation/avcaptionregion/appleittbottom.md)
- [appleITTLeft](avfoundation/avcaptionregion/appleittleft.md)
- [appleITTRight](avfoundation/avcaptionregion/appleittright.md)
- [subRipTextBottom](avfoundation/avcaptionregion/subriptextbottom.md)