---
title: errorOccurred
framework: corefoundation
role: symbol
role_heading: Type Property
path: corefoundation/cfstreameventtype/erroroccurred
---

# errorOccurred

An error has occurred on the stream.

## Declaration

```swift
static var errorOccurred: CFStreamEventType { get }
```

## See Also

### Constants

- [openCompleted](corefoundation/cfstreameventtype/opencompleted.md)
- [hasBytesAvailable](corefoundation/cfstreameventtype/hasbytesavailable.md)
- [canAcceptBytes](corefoundation/cfstreameventtype/canacceptbytes.md)
- [endEncountered](corefoundation/cfstreameventtype/endencountered.md)