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# VNRecognizeAnimalsRequest

A request that recognizes animals in an image.

```
class VNRecognizeAnimalsRequest
```

## Overview

Use the [`knownAnimalIdentifiers(forRevision:)`](/documentation/Vision/VNRecognizeAnimalsRequest/knownAnimalIdentifiers(forRevision:)) method to determine which animals the request supports.

## Topics

### Accessing the Results

[`results`](/documentation/Vision/VNRecognizeAnimalsRequest/results)

The results of the request to recognize animals.

### Identifying Animals

[`supportedIdentifiers()`](/documentation/Vision/VNRecognizeAnimalsRequest/supportedIdentifiers())

Returns the identifiers of the animals that the request detects.

[`VNAnimalIdentifier`](/documentation/Vision/VNAnimalIdentifier)

An animal identifier string.

[`knownAnimalIdentifiers(forRevision:)`](/documentation/Vision/VNRecognizeAnimalsRequest/knownAnimalIdentifiers(forRevision:))

Returns a list of animal identifiers the recognition algorithm supports for the specified revision.

### Identifying Request Revisions

[`VNRecognizeAnimalsRequestRevision2`](/documentation/Vision/VNRecognizeAnimalsRequestRevision2)

A constant for specifying revision 2 of the animal recognition request.

[`VNRecognizeAnimalsRequestRevision1`](/documentation/Vision/VNRecognizeAnimalsRequestRevision1)

A constant for specifying revision 1 of the animal recognition request.


---

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