# AwsAutoScalingAutoScalingGroupMixedInstancesPolicyInstancesDistributionDetails
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Information about the instances distribution.

## Contents
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 ** OnDemandAllocationStrategy **   <a name="securityhub-Type-AwsAutoScalingAutoScalingGroupMixedInstancesPolicyInstancesDistributionDetails-OnDemandAllocationStrategy"></a>
How to allocate instance types to fulfill On-Demand capacity. The valid value is `prioritized`.  
Type: String  
Pattern: `.*\S.*`   
Required: No

 ** OnDemandBaseCapacity **   <a name="securityhub-Type-AwsAutoScalingAutoScalingGroupMixedInstancesPolicyInstancesDistributionDetails-OnDemandBaseCapacity"></a>
The minimum amount of the Auto Scaling group's capacity that must be fulfilled by On-Demand Instances.  
Type: Integer  
Required: No

 ** OnDemandPercentageAboveBaseCapacity **   <a name="securityhub-Type-AwsAutoScalingAutoScalingGroupMixedInstancesPolicyInstancesDistributionDetails-OnDemandPercentageAboveBaseCapacity"></a>
The percentage of On-Demand Instances and Spot Instances for additional capacity beyond `OnDemandBaseCapacity`.  
Type: Integer  
Required: No

 ** SpotAllocationStrategy **   <a name="securityhub-Type-AwsAutoScalingAutoScalingGroupMixedInstancesPolicyInstancesDistributionDetails-SpotAllocationStrategy"></a>
How to allocate instances across Spot Instance pools. Valid values are as follows:  
+  `lowest-price` 
+  `capacity-optimized` 
+  `capacity-optimized-prioritized` 
Type: String  
Pattern: `.*\S.*`   
Required: No

 ** SpotInstancePools **   <a name="securityhub-Type-AwsAutoScalingAutoScalingGroupMixedInstancesPolicyInstancesDistributionDetails-SpotInstancePools"></a>
The number of Spot Instance pools across which to allocate your Spot Instances.  
Type: Integer  
Required: No

 ** SpotMaxPrice **   <a name="securityhub-Type-AwsAutoScalingAutoScalingGroupMixedInstancesPolicyInstancesDistributionDetails-SpotMaxPrice"></a>
The maximum price per unit hour that you are willing to pay for a Spot Instance.  
Type: String  
Pattern: `.*\S.*`   
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/securityhub-2018-10-26/AwsAutoScalingAutoScalingGroupMixedInstancesPolicyInstancesDistributionDetails) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/securityhub-2018-10-26/AwsAutoScalingAutoScalingGroupMixedInstancesPolicyInstancesDistributionDetails) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/securityhub-2018-10-26/AwsAutoScalingAutoScalingGroupMixedInstancesPolicyInstancesDistributionDetails)