---
title: AVCaptionConversionWarning
framework: avfoundation
role: symbol
role_heading: Class
path: avfoundation/avcaptionconversionwarning
---

# AVCaptionConversionWarning

An object that represents a conversion warning produced by a validator.

## Declaration

```swift
class AVCaptionConversionWarning
```

## Topics

### Inspecting the warning

- [warningType](avfoundation/avcaptionconversionwarning/warningtype-swift.property.md)
- [rangeOfCaptions](avfoundation/avcaptionconversionwarning/rangeofcaptions.md)
- [adjustment](avfoundation/avcaptionconversionwarning/adjustment.md)
- [AVCaptionConversionAdjustment](avfoundation/avcaptionconversionadjustment.md)
- [AVCaptionConversionWarning.WarningType](avfoundation/avcaptionconversionwarning/warningtype-swift.struct.md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Validating captions

- [validateCaptionConversion(warningHandler:)](avfoundation/avcaptionconversionvalidator/validatecaptionconversion(warninghandler:).md)
- [warnings](avfoundation/avcaptionconversionvalidator/warnings.md)
- [stopValidating()](avfoundation/avcaptionconversionvalidator/stopvalidating().md)