**To publish a new version of a function** The following ``publish-version`` example publishes a new version of the ``my-function`` Lambda function. :: aws lambda publish-version \ --function-name my-function Output:: { "TracingConfig": { "Mode": "PassThrough" }, "CodeSha256": "dBG9m8SGdmlEjw/JYXlhhvCrAv5TxvXsbL/RMr0fT/I=", "FunctionName": "my-function", "CodeSize": 294, "RevisionId": "f31d3d39-cc63-4520-97d4-43cd44c94c20", "MemorySize": 128, "FunctionArn": "arn:aws:lambda:us-west-2:123456789012:function:my-function:3", "Version": "2", "Role": "arn:aws:iam::123456789012:role/service-role/MyTestFunction-role-zgur6bf4", "Timeout": 3, "LastModified": "2019-09-23T18:32:33.857+0000", "Handler": "my-function.handler", "Runtime": "nodejs10.x", "Description": "" } For more information, see `Configuring AWS Lambda Function Aliases <https://docs.aws.amazon.com/lambda/latest/dg/aliases-intro.html>`__ in the *AWS Lambda Developer Guide*.