name : batch-apply-update-action.rst **To apply a service update** The following ``batch-apply-update-action`` example applies a service update to a Redis cluster. :: aws elasticache batch-apply-update-action \ --service-update-name elc-xxxxx406-xxx \ --replication-group-ids test-cluster Output:: { "ProcessedUpdateActions": [ { "ReplicationGroupId": "pat-cluster", "ServiceUpdateName": "elc-xxxxx406-xxx", "UpdateActionStatus": "waiting-to-start" } ], "UnprocessedUpdateActions": [] } 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*.