---
title: "parametersForOverview(withCount:)"
framework: audiotoolbox
role: symbol
role_heading: Instance Method
path: "audiotoolbox/auaudiounit/parametersforoverview(withcount:)"
---

# parametersForOverview(withCount:)

Returns the audio unit’s most important parameters.

## Declaration

```swift
func parametersForOverview(withCount count: Int) -> [NSNumber]
```

## Parameters

- `count`: The number of parameters to return.

## Return Value

Return Value An array of addresses representing the audio unit’s most important parameters.

## Discussion

Discussion This method allows a host to query an audio unit for a small number of its most important parameters, to be displayed in a compact generic view. This version 3 method is partially bridged to the version 2 kAudioUnitProperty_ParametersForOverview API.

## See Also

### Querying Parameters

- [parameterTree](audiotoolbox/auaudiounit/parametertree.md)
- [allParameterValues](audiotoolbox/auaudiounit/allparametervalues.md)