---
title: CFRunLoopObserverContext
framework: corefoundation
role: symbol
role_heading: Structure
path: corefoundation/cfrunloopobservercontext
---

# CFRunLoopObserverContext

A structure that contains program-defined data and callbacks with which you can configure a CFRunLoopObserver object’s behavior.

## Declaration

```swift
struct CFRunLoopObserverContext
```

## Topics

### Initializers

- [init()](corefoundation/cfrunloopobservercontext/init().md)
- [init(version:info:retain:release:copyDescription:)](corefoundation/cfrunloopobservercontext/init(version:info:retain:release:copydescription:).md)

### Instance Properties

- [copyDescription](corefoundation/cfrunloopobservercontext/copydescription.md)
- [info](corefoundation/cfrunloopobservercontext/info.md)
- [release](corefoundation/cfrunloopobservercontext/release.md)
- [retain](corefoundation/cfrunloopobservercontext/retain.md)
- [version](corefoundation/cfrunloopobservercontext/version.md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)