public void setAlertTargetArn(String alertTargetArn) {
        this.alertTargetArn = alertTargetArn;
    }
<p>
The Amazon Resource Name (ARN) of the notification target to which alerts are sent.
</p>

@param alertTargetArn
       The Amazon Resource Name (ARN) of the notification target to which alerts are sent.
aws-java-sdk-iot/src/main/java/com/amazonaws/services/iot/model/AlertTarget.java