Select your cookie preferences

We use essential cookies and similar tools that are necessary to provide our site and services. We use performance cookies to collect anonymous statistics, so we can understand how customers use our site and make improvements. Essential cookies cannot be deactivated, but you can choose “Customize” or “Decline” to decline performance cookies.

If you agree, AWS and approved third parties will also use cookies to provide useful site features, remember your preferences, and display relevant content, including relevant advertising. To accept or decline all non-essential cookies, choose “Accept” or “Decline.” To make more detailed choices, choose “Customize.”

Algorithm

Focus mode
Algorithm - Amazon Personalize

Describes a custom algorithm.

Contents

algorithmArn

The Amazon Resource Name (ARN) of the algorithm.

Type: String

Length Constraints: Maximum length of 256.

Pattern: arn:([a-z\d-]+):personalize:.*:.*:.+

Required: No

algorithmImage

The URI of the Docker container for the algorithm image.

Type: AlgorithmImage object

Required: No

creationDateTime

The date and time (in Unix time) that the algorithm was created.

Type: Timestamp

Required: No

defaultHyperParameterRanges

Specifies the default hyperparameters, their ranges, and whether they are tunable. A tunable hyperparameter can have its value determined during hyperparameter optimization (HPO).

Type: DefaultHyperParameterRanges object

Required: No

defaultHyperParameters

Specifies the default hyperparameters.

Type: String to string map

Map Entries: Maximum number of 100 items.

Key Length Constraints: Maximum length of 256.

Value Length Constraints: Maximum length of 1000.

Required: No

defaultResourceConfig

Specifies the default maximum number of training jobs and parallel training jobs.

Type: String to string map

Map Entries: Maximum number of 100 items.

Key Length Constraints: Maximum length of 256.

Value Length Constraints: Maximum length of 1000.

Required: No

lastUpdatedDateTime

The date and time (in Unix time) that the algorithm was last updated.

Type: Timestamp

Required: No

name

The name of the algorithm.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 63.

Pattern: ^[a-zA-Z0-9][a-zA-Z0-9\-_]*

Required: No

roleArn

The Amazon Resource Name (ARN) of the role.

Type: String

Length Constraints: Maximum length of 256.

Pattern: arn:([a-z\d-]+):personalize:.*:.*:.+

Required: No

trainingInputMode

The training input mode.

Type: String

Length Constraints: Maximum length of 256.

Required: No

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following:

On this page

PrivacySite termsCookie preferences
© 2025, Amazon Web Services, Inc. or its affiliates. All rights reserved.