{ 'ScalingPolicies': [ { 'PolicyARN': 'string', 'PolicyName': 'string', 'ServiceNamespace': 'ecs'|'elasticmapreduce'|'ec2'|'appstream'|'dynamodb'|'rds'|'sagemaker'|'custom-resource', 'ResourceId': 'string', 'ScalableDimension': 'ecs:service:DesiredCount'|'ec2:spot-fleet-request:TargetCapacity'|'elasticmapreduce:instancegroup:InstanceCount'|'appstream:fleet:DesiredCapacity'|'dynamodb:table:ReadCapacityUnits'|'dynamodb:table:WriteCapacityUnits'|'dynamodb:index:ReadCapacityUnits'|'dynamodb:index:WriteCapacityUnits'|'rds:cluster:ReadReplicaCount'|'sagemaker:variant:DesiredInstanceCount'|'custom-resource:ResourceType:Property', 'PolicyType': 'StepScaling'|'TargetTrackingScaling', 'StepScalingPolicyConfiguration': { 'AdjustmentType': 'ChangeInCapacity'|'PercentChangeInCapacity'|'ExactCapacity', 'StepAdjustments': [ { 'MetricIntervalLowerBound': 123.0, 'MetricIntervalUpperBound': 123.0, 'ScalingAdjustment': 123 }, ], 'MinAdjustmentMagnitude': 123, 'Cooldown': 123, 'MetricAggregationType': 'Average'|'Minimum'|'Maximum' }, 'TargetTrackingScalingPolicyConfiguration': { 'TargetValue': 123.0, 'PredefinedMetricSpecification': { 'PredefinedMetricType': 'DynamoDBReadCapacityUtilization'|'DynamoDBWriteCapacityUtilization'|'ALBRequestCountPerTarget'|'RDSReaderAverageCPUUtilization'|'RDSReaderAverageDatabaseConnections'|'EC2SpotFleetRequestAverageCPUUtilization'|'EC2SpotFleetRequestAverageNetworkIn'|'EC2SpotFleetRequestAverageNetworkOut'|'SageMakerVariantInvocationsPerInstance'|'ECSServiceAverageCPUUtilization'|'ECSServiceAverageMemoryUtilization', 'ResourceLabel': 'string' }, 'CustomizedMetricSpecification': { 'MetricName': 'string', 'Namespace': 'string', 'Dimensions': [ { 'Name': 'string', 'Value': 'string' }, ], 'Statistic': 'Average'|'Minimum'|'Maximum'|'SampleCount'|'Sum', 'Unit': 'string' }, 'ScaleOutCooldown': 123, 'ScaleInCooldown': 123, 'DisableScaleIn': True|False }, 'Alarms': [ { 'AlarmName': 'string', 'AlarmARN': 'string' }, ], 'CreationTime': datetime(2015, 1, 1) }, ], 'NextToken': 'string'} 
