---
title: url
framework: networkextension
role: symbol
role_heading: Instance Property
path: networkextension/nefilterflow/url
---

# url

The flow’s HTTP URL.

## Declaration

```swift
var url: URL? { get }
```

## Discussion

Discussion This parameter is only non-nil for flows that originate from WebKit browser objects.

## See Also

### Inspecting flow properties

- [identifier](networkextension/nefilterflow/identifier.md)
- [direction](networkextension/nefilterflow/direction.md)
- [NETrafficDirection](networkextension/netrafficdirection.md)
- [NEFilterFlowBytesMax](networkextension/nefilterflowbytesmax.md)