---
title: isProVideoStorageSupported
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avassetwriter/isprovideostoragesupported
---

# isProVideoStorageSupported

Indicates whether the receiver supports writing to pre-allocated storage on this device for high data rate video capture formats such as ProRes.

## Declaration

```swift
var isProVideoStorageSupported: Bool { get }
```

## Discussion

Discussion Check this value prior to setting the usesProVideoStorage property to avoid exceptions when pre-allocated storage is not supported.