---
title: kCVReturnFirst
framework: corevideo
role: symbol
role_heading: Global Variable
path: corevideo/kcvreturnfirst
---

# kCVReturnFirst

Placeholder to mark the beginning of Core Video result codes (not returned by any functions).

## Declaration

```swift
var kCVReturnFirst: CVReturn { get }
```

## See Also

### Common

- [kCVReturnAllocationFailed](corevideo/kcvreturnallocationfailed.md)
- [kCVReturnError](corevideo/kcvreturnerror.md)
- [kCVReturnInvalidArgument](corevideo/kcvreturninvalidargument.md)
- [kCVReturnSuccess](corevideo/kcvreturnsuccess.md)
- [kCVReturnUnsupported](corevideo/kcvreturnunsupported.md)
- [kCVReturnLast](corevideo/kcvreturnlast.md)