---
title: validationDelegate
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avassetreaderoutputcaptionadaptor/validationdelegate
---

# validationDelegate

A delegate object that handles callbacks to the caption adaptor.

## Declaration

```swift
weak var validationDelegate: (any AVAssetReaderCaptionValidationHandling)? { get set }
```

## See Also

### Managing the validation delegate

- [AVAssetReaderCaptionValidationHandling](avfoundation/avassetreadercaptionvalidationhandling.md)