---
title: algorithm
framework: createml
role: symbol
role_heading: Instance Property
path: createml/mlobjectdetector/modelparameters-swift.struct/algorithm
---

# algorithm

The algorithm the training session uses to train the object detector.

## Declaration

```swift
var algorithm: MLObjectDetector.ModelParameters.ModelAlgorithmType { get set }
```

## See Also

### Accessing the training parameters

- [validation](createml/mlobjectdetector/modelparameters-swift.struct/validation.md)
- [batchSize](createml/mlobjectdetector/modelparameters-swift.struct/batchsize.md)
- [maxIterations](createml/mlobjectdetector/modelparameters-swift.struct/maxiterations.md)
- [gridSize](createml/mlobjectdetector/modelparameters-swift.struct/gridsize.md)