<!--
{
  "availability" : [
    "iOS: 15.0.0 -",
    "iPadOS: 15.0.0 -",
    "macCatalyst: 15.0.0 -",
    "macOS: 11.0.0 -",
    "tvOS: 16.0.0 -",
    "visionOS: 1.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "CreateML",
  "identifier" : "/documentation/CreateML/MLTrainingSessionParameters",
  "metadataVersion" : "0.1.0",
  "role" : "Structure",
  "symbol" : {
    "kind" : "Structure",
    "modules" : [
      "Create ML"
    ],
    "preciseIdentifier" : "s:8CreateML27MLTrainingSessionParametersV"
  },
  "title" : "MLTrainingSessionParameters"
}
-->

# MLTrainingSessionParameters

The configuration settings for a training session.

```
struct MLTrainingSessionParameters
```

## Topics

### Creating a session’s parameters

[`init(sessionDirectory:reportInterval:checkpointInterval:iterations:)`](/documentation/CreateML/MLTrainingSessionParameters/init(sessionDirectory:reportInterval:checkpointInterval:iterations:))

Creates a set of parameters for a training session.

### Configuring the session’s parameters

[`sessionDirectory`](/documentation/CreateML/MLTrainingSessionParameters/sessionDirectory)

The location in the file system where the session stores its progress.

[`reportInterval`](/documentation/CreateML/MLTrainingSessionParameters/reportInterval)

The number of iterations the session completes before it reports its
progress.

[`checkpointInterval`](/documentation/CreateML/MLTrainingSessionParameters/checkpointInterval)

The number of iterations the session completes before it saves a
checkpoint.

[`iterations`](/documentation/CreateML/MLTrainingSessionParameters/iterations)

The maximum number of iterations for the training session.


---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)