public void setHealthEventArn(String healthEventArn) {
        this.healthEventArn = healthEventArn;
    }
<p>
The Amazon Resource Name (ARN) of the AWS Health Event-based observation.
</p>

@param healthEventArn
       The Amazon Resource Name (ARN) of the AWS Health Event-based observation.
aws-java-sdk-applicationinsights/src/main/java/com/amazonaws/services/applicationinsights/model/Observation.java