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# SNRequest

A protocol that represents sound analysis requests.

```
protocol SNRequest : NSObjectProtocol
```

## Overview

Don’t create types that adopt `SNRequest`. Only Sound Analysis framework types adopt the protocol.

## Relationships

### Inherits From

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

### Conforming Types

[`SNClassifySoundRequest`](/documentation/SoundAnalysis/SNClassifySoundRequest)

---

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