---
title: filterParameters
framework: avfaudio
role: symbol
role_heading: Instance Property
path: avfaudio/avaudioenvironmentreverbparameters/filterparameters
---

# filterParameters

A filter that the system applies to the output.

## Declaration

```swift
var filterParameters: AVAudioUnitEQFilterParameters { get }
```

## See Also

### Getting and Setting Reverb Values

- [level](avfaudio/avaudioenvironmentreverbparameters/level.md)
- [loadFactoryReverbPreset(_:)](avfaudio/avaudioenvironmentreverbparameters/loadfactoryreverbpreset(_:).md)