---
title: maxDepth
framework: createml
role: symbol
role_heading: Instance Property
path: createml/mldecisiontreeclassifier/modelparameters-swift.struct/maxdepth
---

# maxDepth

The maximum depth of the tree. Must be greater than 0.

## Declaration

```swift
var maxDepth: Int
```

## See Also

### Accessing parameters

- [validationData](createml/mldecisiontreeclassifier/modelparameters-swift.struct/validationdata-swift.property.md)
- [minLossReduction](createml/mldecisiontreeclassifier/modelparameters-swift.struct/minlossreduction.md)
- [minChildWeight](createml/mldecisiontreeclassifier/modelparameters-swift.struct/minchildweight.md)
- [randomSeed](createml/mldecisiontreeclassifier/modelparameters-swift.struct/randomseed.md)
- [validation](createml/mldecisiontreeclassifier/modelparameters-swift.struct/validation.md)