public void setMonitorArn(String monitorArn) {
        this.monitorArn = monitorArn;
    }
<p>
A cost anomaly monitor ARN.
</p>

@param monitorArn
       A cost anomaly monitor ARN.
aws-java-sdk-costexplorer/src/main/java/com/amazonaws/services/costexplorer/model/UpdateAnomalyMonitorResult.java