**To tag a resource** The following `tag-resource`` adds a tag to a resource. :: aws memorydb tag-resource \ --resource-arn arn:aws:memorydb:us-east-1:491658xxxxxx:cluster/my-cluster \ --tags Key="mykey",Value="myvalue" Output:: { "TagList": [ { "Key": "mytag", "Value": "myvalue" }, { "Key": "mykey", "Value": "myvalue" } ] } For more information, see `Tagging resources <https://docs.aws.amazon.com/memorydb/latest/devguide/tagging-resources.html>`__ in the *MemoryDB User Guide*.