public GetReservationPurchaseRecommendationRequest withService(String service) {
        setService(service);
        return this;
    }
<p>
The specific service that you want recommendations for.
</p>

@param service
       The specific service that you want recommendations for.
@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/GetReservationPurchaseRecommendationRequest.java