---
title: hasBytesAvailable
framework: corefoundation
role: symbol
role_heading: Type Property
path: corefoundation/cfstreameventtype/hasbytesavailable
---

# hasBytesAvailable

The stream has bytes to be read.

## Declaration

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

## See Also

### Constants

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