{
  "Type": "AWS::EMR::InstanceGroupConfig",
  "Properties": {
    "InstanceCount": 2,
    "InstanceType": "m3.xlarge",
    "InstanceRole": "TASK",
    "Market": "ON_DEMAND",
    "Name": "cfnTask2",
    "JobFlowId": {
      "Ref": "cluster"
    }
  }
}