# Data Types The Auto Scaling API contains several data types that various actions use. This section describes each data type in detail. **Note** The order of each element in a data type structure is not guaranteed. Applications should not assume a particular order. The following data types are supported: + [AcceleratorCountRequest](API_AcceleratorCountRequest.md) + [AcceleratorTotalMemoryMiBRequest](API_AcceleratorTotalMemoryMiBRequest.md) + [Activity](API_Activity.md) + [AdjustmentType](API_AdjustmentType.md) + [Alarm](API_Alarm.md) + [AlarmSpecification](API_AlarmSpecification.md) + [AutoScalingGroup](API_AutoScalingGroup.md) + [AutoScalingInstanceDetails](API_AutoScalingInstanceDetails.md) + [AvailabilityZoneDistribution](API_AvailabilityZoneDistribution.md) + [AvailabilityZoneImpairmentPolicy](API_AvailabilityZoneImpairmentPolicy.md) + [BaselineEbsBandwidthMbpsRequest](API_BaselineEbsBandwidthMbpsRequest.md) + [BaselinePerformanceFactorsRequest](API_BaselinePerformanceFactorsRequest.md) + [BlockDeviceMapping](API_BlockDeviceMapping.md) + [CapacityForecast](API_CapacityForecast.md) + [CapacityReservationSpecification](API_CapacityReservationSpecification.md) + [CapacityReservationTarget](API_CapacityReservationTarget.md) + [CpuPerformanceFactorRequest](API_CpuPerformanceFactorRequest.md) + [CustomizedMetricSpecification](API_CustomizedMetricSpecification.md) + [DesiredConfiguration](API_DesiredConfiguration.md) + [DistributionSegment](API_DistributionSegment.md) + [Ebs](API_Ebs.md) + [EnabledMetric](API_EnabledMetric.md) + [FailedScheduledUpdateGroupActionRequest](API_FailedScheduledUpdateGroupActionRequest.md) + [Filter](API_Filter.md) + [Instance](API_Instance.md) + [InstanceCollection](API_InstanceCollection.md) + [InstanceLifecyclePolicy](API_InstanceLifecyclePolicy.md) + [InstanceMaintenancePolicy](API_InstanceMaintenancePolicy.md) + [InstanceMetadataOptions](API_InstanceMetadataOptions.md) + [InstanceMonitoring](API_InstanceMonitoring.md) + [InstanceRefresh](API_InstanceRefresh.md) + [InstanceRefreshLivePoolProgress](API_InstanceRefreshLivePoolProgress.md) + [InstanceRefreshProgressDetails](API_InstanceRefreshProgressDetails.md) + [InstanceRefreshWarmPoolProgress](API_InstanceRefreshWarmPoolProgress.md) + [InstanceRequirements](API_InstanceRequirements.md) + [InstanceReusePolicy](API_InstanceReusePolicy.md) + [InstancesDistribution](API_InstancesDistribution.md) + [LaunchConfiguration](API_LaunchConfiguration.md) + [LaunchInstancesError](API_LaunchInstancesError.md) + [LaunchTemplate](API_LaunchTemplate.md) + [LaunchTemplateOverrides](API_LaunchTemplateOverrides.md) + [LaunchTemplateSpecification](API_LaunchTemplateSpecification.md) + [LifecycleHook](API_LifecycleHook.md) + [LifecycleHookSpecification](API_LifecycleHookSpecification.md) + [LoadBalancerState](API_LoadBalancerState.md) + [LoadBalancerTargetGroupState](API_LoadBalancerTargetGroupState.md) + [LoadForecast](API_LoadForecast.md) + [MemoryGiBPerVCpuRequest](API_MemoryGiBPerVCpuRequest.md) + [MemoryMiBRequest](API_MemoryMiBRequest.md) + [Metric](API_Metric.md) + [MetricCollectionType](API_MetricCollectionType.md) + [MetricDataQuery](API_MetricDataQuery.md) + [MetricDimension](API_MetricDimension.md) + [MetricGranularityType](API_MetricGranularityType.md) + [MetricStat](API_MetricStat.md) + [MixedInstancesPolicy](API_MixedInstancesPolicy.md) + [NetworkBandwidthGbpsRequest](API_NetworkBandwidthGbpsRequest.md) + [NetworkInterfaceCountRequest](API_NetworkInterfaceCountRequest.md) + [NotificationConfiguration](API_NotificationConfiguration.md) + [Operator](API_Operator.md) + [PerformanceFactorReferenceRequest](API_PerformanceFactorReferenceRequest.md) + [PredefinedMetricSpecification](API_PredefinedMetricSpecification.md) + [PredictiveScalingConfiguration](API_PredictiveScalingConfiguration.md) + [PredictiveScalingCustomizedCapacityMetric](API_PredictiveScalingCustomizedCapacityMetric.md) + [PredictiveScalingCustomizedLoadMetric](API_PredictiveScalingCustomizedLoadMetric.md) + [PredictiveScalingCustomizedScalingMetric](API_PredictiveScalingCustomizedScalingMetric.md) + [PredictiveScalingMetricSpecification](API_PredictiveScalingMetricSpecification.md) + [PredictiveScalingPredefinedLoadMetric](API_PredictiveScalingPredefinedLoadMetric.md) + [PredictiveScalingPredefinedMetricPair](API_PredictiveScalingPredefinedMetricPair.md) + [PredictiveScalingPredefinedScalingMetric](API_PredictiveScalingPredefinedScalingMetric.md) + [ProcessType](API_ProcessType.md) + [RefreshPreferences](API_RefreshPreferences.md) + [RetentionTriggers](API_RetentionTriggers.md) + [RollbackDetails](API_RollbackDetails.md) + [ScalingPolicy](API_ScalingPolicy.md) + [ScheduledUpdateGroupAction](API_ScheduledUpdateGroupAction.md) + [ScheduledUpdateGroupActionRequest](API_ScheduledUpdateGroupActionRequest.md) + [StepAdjustment](API_StepAdjustment.md) + [SuspendedProcess](API_SuspendedProcess.md) + [Tag](API_Tag.md) + [TagDescription](API_TagDescription.md) + [TargetTrackingConfiguration](API_TargetTrackingConfiguration.md) + [TargetTrackingMetricDataQuery](API_TargetTrackingMetricDataQuery.md) + [TargetTrackingMetricStat](API_TargetTrackingMetricStat.md) + [TotalLocalStorageGBRequest](API_TotalLocalStorageGBRequest.md) + [TrafficSourceIdentifier](API_TrafficSourceIdentifier.md) + [TrafficSourceState](API_TrafficSourceState.md) + [VCpuCountRequest](API_VCpuCountRequest.md) + [WarmPoolConfiguration](API_WarmPoolConfiguration.md)