---
title: "init(sessionDirectory:reportInterval:checkpointInterval:iterations:)"
framework: createml
role: symbol
role_heading: Initializer
path: "createml/mltrainingsessionparameters/init(sessiondirectory:reportinterval:checkpointinterval:iterations:)"
---

# init(sessionDirectory:reportInterval:checkpointInterval:iterations:)

Creates a set of parameters for a training session.

## Declaration

```swift
init(sessionDirectory: URL? = nil, reportInterval: Int = 5, checkpointInterval: Int = 10, iterations: Int = 1000)
```

## Parameters

- `sessionDirectory`: The location in the file system where the session stores its progress.
- `reportInterval`: The number of iterations the session completes before it reports its progress.
- `checkpointInterval`: The number of iterations the session completes before it saves a checkpoint.
- `iterations`: The total number of iterations for the session.