name : update-stack-set.rst **To update a stack set** The following ``update-stack-set`` example adds a tag with the key name ``Owner`` and a value of ``IT`` to the stack instances in the specified stack set. :: aws cloudformation update-stack-set \ --stack-set-name my-stack-set \ --use-previous-template \ --tags Key=Owner,Value=IT Output:: { "OperationId": "e2b60321-6cab-xmpl-bde7-530c6f47950e" }