**To describe update actions** The following ``describe-update-actions`` example returns details of update actions. :: aws elasticache describe-update-actions Output:: { "UpdateActions": [ { "ReplicationGroupId": "mycluster", "ServiceUpdateName": "elc-20191007-001", "ServiceUpdateReleaseDate": "2019-10-09T16:00:00Z", "ServiceUpdateSeverity": "important", "ServiceUpdateStatus": "available", "ServiceUpdateRecommendedApplyByDate": "2019-11-08T15:59:59Z", "ServiceUpdateType": "security-update", "UpdateActionAvailableDate": "2019-12-05T19:15:19.995Z", "UpdateActionStatus": "complete", "NodesUpdated": "9/9", "UpdateActionStatusModifiedDate": "2019-12-05T19:15:20.461Z", "SlaMet": "n/a", "Engine": "redis" }, { "CacheClusterId": "my-memcached-cluster", "ServiceUpdateName": "elc-20191007-001", "ServiceUpdateReleaseDate": "2019-10-09T16:00:00Z", "ServiceUpdateSeverity": "important", "ServiceUpdateStatus": "available", "ServiceUpdateRecommendedApplyByDate": "2019-11-08T15:59:59Z", "ServiceUpdateType": "security-update", "UpdateActionAvailableDate": "2019-12-04T18:26:05.349Z", "UpdateActionStatus": "complete", "NodesUpdated": "1/1", "UpdateActionStatusModifiedDate": "2019-12-04T18:26:05.352Z", "SlaMet": "n/a", "Engine": "redis" }, { "ReplicationGroupId": "my-cluster", "ServiceUpdateName": "elc-20191007-001", "ServiceUpdateReleaseDate": "2019-10-09T16:00:00Z", "ServiceUpdateSeverity": "important", "ServiceUpdateStatus": "available", "ServiceUpdateRecommendedApplyByDate": "2019-11-08T15:59:59Z", "ServiceUpdateType": "security-update", "UpdateActionAvailableDate": "2019-11-26T03:36:26.320Z", "UpdateActionStatus": "complete", "NodesUpdated": "4/4", "UpdateActionStatusModifiedDate": "2019-12-04T22:11:12.664Z", "SlaMet": "n/a", "Engine": "redis" }, { "ReplicationGroupId": "my-cluster2", "ServiceUpdateName": "elc-20191007-001", "ServiceUpdateReleaseDate": "2019-10-09T16:00:00Z", "ServiceUpdateSeverity": "important", "ServiceUpdateStatus": "available", "ServiceUpdateRecommendedApplyByDate": "2019-11-08T15:59:59Z", "ServiceUpdateType": "security-update", "UpdateActionAvailableDate": "2019-11-26T01:26:01.617Z", "UpdateActionStatus": "complete", "NodesUpdated": "3/3", "UpdateActionStatusModifiedDate": "2019-11-26T01:26:01.753Z", "SlaMet": "n/a", "Engine": "redis" } ] } For more information, see `Self-Service Updates in Amazon ElastiCache <https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/Self-Service-Updates.html>`__ in the *Elasticache User Guide*.