Use UpdateAlias with an Amazon SDK or CLI - Amazon Lambda
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Use UpdateAlias with an Amazon SDK or CLI

The following code examples show how to use UpdateAlias.

Amazon CLI

To update a function alias

The following update-alias example updates the alias named LIVE to point to version 3 of the my-function Lambda function.

aws lambda update-alias \ --function-name my-function \ --function-version 3 \ --name LIVE


{ "FunctionVersion": "3", "Name": "LIVE", "AliasArn": "arn:aws:lambda:us-west-2:123456789012:function:my-function:LIVE", "RevisionId": "594f41fb-b85f-4c20-95c7-6ca5f2a92c93", "Description": "alias for live version of function" }

For more information, see Configuring Amazon Lambda Function Aliases in the Amazon Lambda Developer Guide.

  • For API details, see UpdateAlias in Amazon CLI Command Reference.

Tools for PowerShell

Example 1: This example updates the Configuration of an existing Lambda function Alias. It updates the RoutingConfiguration value to shift 60% (0.6) of traffic to version 1

Update-LMAlias -FunctionName "MylambdaFunction123" -Description " Alias for version 2" -FunctionVersion 2 -Name "newlabel1" -RoutingConfig_AdditionalVersionWeight @{Name="1";Value="0.6}
  • For API details, see UpdateAlias in Amazon Tools for PowerShell Cmdlet Reference.

For a complete list of Amazon SDK developer guides and code examples, see Using Lambda with an Amazon SDK. This topic also includes information about getting started and details about previous SDK versions.