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**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*.