**To return a list of engine versions** The following `describe-engine-versions`` returns a list of engine versions. :: aws memorydb describe-engine-versions Output:: { "EngineVersions": [ { "EngineVersion": "6.2", "EnginePatchVersion": "6.2.6", "ParameterGroupFamily": "memorydb_redis6" } ] } For more information, see `Engine versions and upgrading <https://docs.aws.amazon.com/memorydb/latest/devguide/engine-versions.htmll>`__ in the *MemoryDB User Guide*.