---
title: kVTPropertyDocumentationKey
framework: videotoolbox
role: symbol
role_heading: Global Variable
path: videotoolbox/kvtpropertydocumentationkey
---

# kVTPropertyDocumentationKey

Dictionary key to access any documentation intended for developers only.

## Declaration

```swift
let kVTPropertyDocumentationKey: CFString
```

## See Also

### Properties

- [kVTPropertyTypeKey](videotoolbox/kvtpropertytypekey.md)
- [Property Type Constants](videotoolbox/property-type-constants.md)
- [kVTPropertyReadWriteStatusKey](videotoolbox/kvtpropertyreadwritestatuskey.md)
- [Read/Write Status Constants](videotoolbox/read-write-status-constants.md)
- [kVTPropertyShouldBeSerializedKey](videotoolbox/kvtpropertyshouldbeserializedkey.md)
- [kVTPropertySupportedValueListKey](videotoolbox/kvtpropertysupportedvaluelistkey.md)
- [kVTPropertySupportedValueMaximumKey](videotoolbox/kvtpropertysupportedvaluemaximumkey.md)
- [kVTPropertySupportedValueMinimumKey](videotoolbox/kvtpropertysupportedvalueminimumkey.md)