public Event withAvailabilityZone(String availabilityZone) {
        setAvailabilityZone(availabilityZone);
        return this;
    }
<p>
The Amazon Web Services Availability Zone of the event. For example, us-east-1a.
</p>

@param availabilityZone
       The Amazon Web Services Availability Zone of the event. For example, us-east-1a.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-health/src/main/java/com/amazonaws/services/health/model/Event.java