LayerVersionsListItem - Amazon Lambda
Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).


Details about a version of an Amazon Lambda layer.



A list of compatible instruction set architectures.

Type: Array of strings

Array Members: Maximum number of 2 items.

Valid Values: x86_64 | arm64

Required: No


The layer's compatible runtimes.

The following list includes deprecated runtimes. For more information, see Runtime use after deprecation.

For a list of all currently supported runtimes, see Supported runtimes.

Type: Array of strings

Array Members: Maximum number of 15 items.

Valid Values: nodejs | nodejs4.3 | nodejs6.10 | nodejs8.10 | nodejs10.x | nodejs12.x | nodejs14.x | nodejs16.x | java8 | java8.al2 | java11 | python2.7 | python3.6 | python3.7 | python3.8 | python3.9 | dotnetcore1.0 | dotnetcore2.0 | dotnetcore2.1 | dotnetcore3.1 | dotnet6 | dotnet8 | nodejs4.3-edge | go1.x | ruby2.5 | ruby2.7 | provided | provided.al2 | nodejs18.x | python3.10 | java17 | ruby3.2 | python3.11 | nodejs20.x | provided.al2023 | python3.12 | java21

Required: No


The date that the version was created, in ISO 8601 format. For example, 2018-11-27T15:10:45.123+0000.

Type: String

Required: No


The description of the version.

Type: String

Length Constraints: Minimum length of 0. Maximum length of 256.

Required: No


The ARN of the layer version.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 140.

Pattern: arn:[a-zA-Z0-9-]+:lambda:[a-zA-Z0-9-]+:\d{12}:layer:[a-zA-Z0-9-_]+:[0-9]+

Required: No


The layer's open-source license.

Type: String

Length Constraints: Maximum length of 512.

Required: No


The version number.

Type: Long

Required: No

See Also

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