public SavingsPlansPurchaseRecommendationMetadata withRecommendationId(String recommendationId) {
        setRecommendationId(recommendationId);
        return this;
    }
<p>
The unique identifier for the recommendation set.
</p>

@param recommendationId
       The unique identifier for the recommendation set.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-costexplorer/src/main/java/com/amazonaws/services/costexplorer/model/SavingsPlansPurchaseRecommendationMetadata.java