CmdID / aws / aws proton
aws proton delete-service-template-version
If no other minor versions of a service template exist, delete a major version of the service template if it's not the Recommended version. AWS CLI reference
3 options Its page in the AWS CLI reference
Options
--major-versionThe service template major version to delete.--minor-versionThe service template minor version to delete.--template-nameThe name of the service template.