# EC2Specification
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The Amazon EC2 hardware specifications that you want AWS to provide recommendations for.

## Contents
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 ** OfferingClass **   <a name="awscostmanagement-Type-EC2Specification-OfferingClass"></a>
Indicates whether you want a recommendation for standard or convertible reservations.  
Type: String  
Valid Values: `STANDARD | CONVERTIBLE`   
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/ce-2017-10-25/EC2Specification) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ce-2017-10-25/EC2Specification) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ce-2017-10-25/EC2Specification)