To list the versions of an AWS Lambda layer

The following list-layers-versions example displays information about the versions for the layer named my-layer.

aws lambda list-layer-versions \
    --layer-name my-layer

Output:

{
    "Layers": [
        {

            "LayerVersionArn": "arn:aws:lambda:us-east-2:123456789012:layer:my-layer:2",
            "Version": 2,
            "Description": "My layer",
            "CreatedDate": "2018-11-15T00:37:46.592+0000",
            "CompatibleRuntimes": [
                "python3.6",
                "python3.7"
            ]

        }
    ]
}

For more information, see AWS Lambda Layers in the AWS Lambda Developer Guide.