---
title: knownClassifications
framework: soundanalysis
role: symbol
role_heading: Instance Property
path: soundanalysis/snclassifysoundrequest/knownclassifications
---

# knownClassifications

A string array that contains every prediction label in the request’s underlying sound classifier model.

## Declaration

```swift
var knownClassifications: [String] { get }
```

## See Also

### Inspecting a Request

- [SNTimeDurationConstraint](soundanalysis/sntimedurationconstraint-swift.enum.md)