# Ec2ReservedInstances


The EC2 reserved instances recommendation details.

## Contents


 ** configuration **   <a name="awscostmanagement-Type-CostOptimizationHub_Ec2ReservedInstances-configuration"></a>
The EC2 reserved instances configuration used for recommendations.  
Type: [Ec2ReservedInstancesConfiguration](API_CostOptimizationHub_Ec2ReservedInstancesConfiguration.md) object  
Required: No

 ** costCalculation **   <a name="awscostmanagement-Type-CostOptimizationHub_Ec2ReservedInstances-costCalculation"></a>
Cost impact of the purchase recommendation.  
Type: [ReservedInstancesCostCalculation](API_CostOptimizationHub_ReservedInstancesCostCalculation.md) object  
Required: No

## See Also


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/cost-optimization-hub-2022-07-26/Ec2ReservedInstances) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/cost-optimization-hub-2022-07-26/Ec2ReservedInstances) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/cost-optimization-hub-2022-07-26/Ec2ReservedInstances)