---
title: handle
framework: dispatch
role: symbol
role_heading: Instance Property
path: dispatch/dispatchsourceprotocol/handle
---

# handle

Returns the underlying system handle associated with the specified dispatch source.

## Declaration

```swift
var handle: UInt { get }
```

## See Also

### Getting the Dispatch Source Attributes

- [data](dispatch/dispatchsourceprotocol/data.md)
- [mask](dispatch/dispatchsourceprotocol/mask.md)