public PlacementStatistics withDkimPercentage(Double dkimPercentage) {
        setDkimPercentage(dkimPercentage);
        return this;
    }
<p>
The percentage of emails that were authenticated by using DomainKeys Identified Mail (DKIM) during the predictive
inbox placement test.
</p>

@param dkimPercentage
       The percentage of emails that were authenticated by using DomainKeys Identified Mail (DKIM) during the
       predictive inbox placement test.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-sesv2/src/main/java/com/amazonaws/services/simpleemailv2/model/PlacementStatistics.java