**To modify scheduled action** The following ``modify-scheduled-action`` example adds a description to the specified existing scheduled action. :: aws redshift modify-scheduled-action \ --scheduled-action-name myscheduledaction \ --scheduled-action-description "My scheduled action" Output:: { "ScheduledActionName": "myscheduledaction", "TargetAction": { "ResizeCluster": { "ClusterIdentifier": "mycluster", "NumberOfNodes": 2, "Classic": false } }, "Schedule": "at(2019-12-25T00:00:00)", "IamRole": "arn:aws:iam::123456789012:role/myRedshiftRole", "ScheduledActionDescription": "My scheduled action", "State": "ACTIVE", "NextInvocations": [ "2019-12-25T00:00:00Z" ] }