---
title: MLObjectDetector.ModelParameters.FeatureExtractorType
framework: createml
role: symbol
role_heading: Enumeration
path: createml/mlobjectdetector/modelparameters-swift.struct/featureextractortype
---

# MLObjectDetector.ModelParameters.FeatureExtractorType

The underlying base model that extracts image features for an object-detector training session.

## Declaration

```swift
enum FeatureExtractorType
```

## Topics

### Designating a feature extractor

- [MLObjectDetector.ModelParameters.FeatureExtractorType.objectPrint(revision:)](createml/mlobjectdetector/modelparameters-swift.struct/featureextractortype/objectprint(revision:).md)

## Relationships

### Conforms To

- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Supporting types

- [MLObjectDetector.ModelParameters.ValidationData](createml/mlobjectdetector/modelparameters-swift.struct/validationdata.md)
- [MLObjectDetector.ModelParameters.ModelAlgorithmType](createml/mlobjectdetector/modelparameters-swift.struct/modelalgorithmtype.md)