---
title: isValid
framework: coremedia
role: symbol
role_heading: Instance Property
path: coremedia/cmsamplebuffer/isvalid
---

# isValid

A Boolean value that indicates whether the sample buffer is valid.

## Declaration

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

## See Also

### Invalidating Sample Buffers

- [setInvalidateHandler(_:)](coremedia/cmsamplebuffer/setinvalidatehandler(_:).md)
- [invalidate()](coremedia/cmsamplebuffer/invalidate().md)