---
title: filterConfiguration
framework: networkextension
role: symbol
role_heading: Instance Property
path: networkextension/nefilterprovider/filterconfiguration
---

# filterConfiguration

An NEFilterProviderConfiguration object containing the current filter configuration.

## Declaration

```swift
var filterConfiguration: NEFilterProviderConfiguration { get }
```

## Discussion

Discussion The Filter Provider can observe this property to be notified when the configuration changes, using KVO. See Key-Value Observing Programming Guide.