# Roi
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A return-on-investment estimate with context.

## Contents
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 ** detail **   <a name="wellarchitected-Type-Roi-detail"></a>
A sentence providing context for the estimate.  
Type: String  
Length Constraints: Minimum length of 30. Maximum length of 300.  
Required: Yes

 ** estimate **   <a name="wellarchitected-Type-Roi-estimate"></a>
A short statistic or key metric. Optional when there is no quantifiable figure.  
Type: String  
Length Constraints: Minimum length of 2. Maximum length of 40.  
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\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/wellarchitected-2020-03-31/Roi) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/wellarchitected-2020-03-31/Roi) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/wellarchitected-2020-03-31/Roi)