**To describe a cache engine version** The following ``describe-cache-engine-versions`` example returns a list of the available cache engines and their versions. :: aws elasticache describe-cache-engine-versions \ --engine "Redis" Output:: { "CacheEngineVersions": [ { "Engine": "redis", "EngineVersion": "2.6.13", "CacheParameterGroupFamily": "redis2.6", "CacheEngineDescription": "Redis", "CacheEngineVersionDescription": "redis version 2.6.13" }, { "Engine": "redis", "EngineVersion": "2.8.19", "CacheParameterGroupFamily": "redis2.8", "CacheEngineDescription": "Redis", "CacheEngineVersionDescription": "redis version 2.8.19" }, { "Engine": "redis", "EngineVersion": "2.8.21", "CacheParameterGroupFamily": "redis2.8", "CacheEngineDescription": "Redis", "CacheEngineVersionDescription": "redis version 2.8.21" }, { "Engine": "redis", "EngineVersion": "2.8.22", "CacheParameterGroupFamily": "redis2.8", "CacheEngineDescription": "Redis", "CacheEngineVersionDescription": "redis version 2.8.22" }, { "Engine": "redis", "EngineVersion": "2.8.23", "CacheParameterGroupFamily": "redis2.8", "CacheEngineDescription": "Redis", "CacheEngineVersionDescription": "redis version 2.8.23" }, { "Engine": "redis", "EngineVersion": "2.8.24", "CacheParameterGroupFamily": "redis2.8", "CacheEngineDescription": "Redis", "CacheEngineVersionDescription": "redis version 2.8.24" }, { "Engine": "redis", "EngineVersion": "2.8.6", "CacheParameterGroupFamily": "redis2.8", "CacheEngineDescription": "Redis", "CacheEngineVersionDescription": "redis version 2.8.6" }, { "Engine": "redis", "EngineVersion": "3.2.10", "CacheParameterGroupFamily": "redis3.2", "CacheEngineDescription": "Redis", "CacheEngineVersionDescription": "redis version 3.2.10" }, { "Engine": "redis", "EngineVersion": "3.2.4", "CacheParameterGroupFamily": "redis3.2", "CacheEngineDescription": "Redis", "CacheEngineVersionDescription": "redis version 3.2.4" }, { "Engine": "redis", "EngineVersion": "3.2.6", "CacheParameterGroupFamily": "redis3.2", "CacheEngineDescription": "Redis", "CacheEngineVersionDescription": "redis version 3.2.6" }, { "Engine": "redis", "EngineVersion": "4.0.10", "CacheParameterGroupFamily": "redis4.0", "CacheEngineDescription": "Redis", "CacheEngineVersionDescription": "redis version 4.0.10" }, { "Engine": "redis", "EngineVersion": "5.0.0", "CacheParameterGroupFamily": "redis5.0", "CacheEngineDescription": "Redis", "CacheEngineVersionDescription": "redis version 5.0.0" }, { "Engine": "redis", "EngineVersion": "5.0.3", "CacheParameterGroupFamily": "redis5.0", "CacheEngineDescription": "Redis", "CacheEngineVersionDescription": "redis version 5.0.3" }, { "Engine": "redis", "EngineVersion": "5.0.4", "CacheParameterGroupFamily": "redis5.0", "CacheEngineDescription": "Redis", "CacheEngineVersionDescription": "redis version 5.0.4" }, { "Engine": "redis", "EngineVersion": "5.0.5", "CacheParameterGroupFamily": "redis5.0", "CacheEngineDescription": "Redis", "CacheEngineVersionDescription": "redis version 5.0.5" } ] }