**To retrieve a list of versions of a function** The following ``list-versions-by-function`` example displays the list of versions for the ``my-function`` Lambda function. :: aws lambda list-versions-by-function \ --function-name my-function Output:: { "Versions": [ { "TracingConfig": { "Mode": "PassThrough" }, "Version": "$LATEST", "CodeSha256": "sU0cJ2/hOZevwV/lTxCuQqK3gDZP3i8gUoqUUVRmY6E=", "FunctionName": "my-function", "VpcConfig": { "SubnetIds": [], "VpcId": "", "SecurityGroupIds": [] }, "MemorySize": 256, "RevisionId": "93017fc9-59cb-41dc-901b-4845ce4bf668", "CodeSize": 266, "FunctionArn": "arn:aws:lambda:us-west-2:123456789012:function:my-function:$LATEST", "Handler": "index.handler", "Role": "arn:aws:iam::123456789012:role/service-role/helloWorldPython-role-uy3l9qyq", "Timeout": 3, "LastModified": "2019-10-01T16:47:28.490+0000", "Runtime": "nodejs10.x", "Description": "" }, { "TracingConfig": { "Mode": "PassThrough" }, "Version": "1", "CodeSha256": "5tT2qgzYUHoqwR616pZ2dpkn/0J1FrzJmlKidWaaCgk=", "FunctionName": "my-function", "VpcConfig": { "SubnetIds": [], "VpcId": "", "SecurityGroupIds": [] }, "MemorySize": 256, "RevisionId": "949c8914-012e-4795-998c-e467121951b1", "CodeSize": 304, "FunctionArn": "arn:aws:lambda:us-west-2:123456789012:function:my-function:1", "Handler": "index.handler", "Role": "arn:aws:iam::123456789012:role/service-role/helloWorldPython-role-uy3l9qyq", "Timeout": 3, "LastModified": "2019-09-26T20:28:40.438+0000", "Runtime": "nodejs10.x", "Description": "new version" }, { "TracingConfig": { "Mode": "PassThrough" }, "Version": "2", "CodeSha256": "sU0cJ2/hOZevwV/lTxCuQqK3gDZP3i8gUoqUUVRmY6E=", "FunctionName": "my-function", "VpcConfig": { "SubnetIds": [], "VpcId": "", "SecurityGroupIds": [] }, "MemorySize": 256, "RevisionId": "cd669f21-0f3d-4e1c-9566-948837f2e2ea", "CodeSize": 266, "FunctionArn": "arn:aws:lambda:us-west-2:123456789012:function:my-function:2", "Handler": "index.handler", "Role": "arn:aws:iam::123456789012:role/service-role/helloWorldPython-role-uy3l9qyq", "Timeout": 3, "LastModified": "2019-10-01T16:47:28.490+0000", "Runtime": "nodejs10.x", "Description": "newer version" } ] } 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*.