---
title: iteration
framework: createml
role: symbol
role_heading: Instance Property
path: createml/mltrainingsession/iteration
---

# iteration

The iteration number of a training session’s phase.

## Declaration

```swift
final var iteration: Int { get }
```

## See Also

### Checking a training session’s progress

- [phase](createml/mltrainingsession/phase.md)
- [MLPhase](createml/mlphase.md)
- [checkpoints](createml/mltrainingsession/checkpoints.md)