name : tag-resources.rst **To attach a tag to a resource** The following ``tag-resources`` example tags the specified resource with a key name and value. :: aws resourcegroupstaggingapi tag-resources \ --resource-arn-list arn:aws:s3:::MyProductionBucket \ --tags Environment=Production,CostCenter=1234 Output:: { "FailedResourcesMap": {} } For more information, see `TagResources <https://docs.aws.amazon.com/resourcegroupstagging/latest/APIReference/API_TagResources.html>`__ in the *Resource Groups Tagging API Reference*.