CmdID / aws / aws cloudformation
aws cloudformation set-type-default-version
Specify the default version of an extension. AWS CLI reference
4 options Its page in the AWS CLI reference
Options
--arnThe Amazon Resource Name (ARN) of the extension for which you want version summary information.--type-nameThe name of the extension.--typeThe kind of extension.--version-idThe ID of a specific version of the extension.