name : add-instance-fleet.rst **To add a task instance fleet to a cluster** This example adds a new task instance fleet to the cluster specified. Command:: aws emr add-instance-fleet --cluster-id 'j-12ABCDEFGHI34JK' --instance-fleet InstanceFleetType=TASK,TargetSpotCapacity=1,LaunchSpecifications={SpotSpecification='{TimeoutDurationMinutes=20,TimeoutAction=TERMINATE_CLUSTER}'},InstanceTypeConfigs=['{InstanceType=m3.xlarge,BidPrice=0.5}'] Output:: { "ClusterId": "j-12ABCDEFGHI34JK", "InstanceFleetId": "if-23ABCDEFGHI45JJ" }