public void setTrafficDialPercentage(Float trafficDialPercentage) {
        this.trafficDialPercentage = trafficDialPercentage;
    }
<p>
The percentage of traffic to send to an Amazon Web Services Region. Additional traffic is distributed to other
endpoint groups for this listener.
</p>
<p>
Use this action to increase (dial up) or decrease (dial down) traffic to a specific Region. The percentage is
applied to the traffic that would otherwise have been routed to the Region based on optimal routing.
</p>
<p>
The default value is 100.
</p>

@param trafficDialPercentage
       The percentage of traffic to send to an Amazon Web Services Region. Additional traffic is distributed to
       other endpoint groups for this listener. </p>
       <p>
       Use this action to increase (dial up) or decrease (dial down) traffic to a specific Region. The percentage
       is applied to the traffic that would otherwise have been routed to the Region based on optimal routing.
       </p>
       <p>
       The default value is 100.
aws-java-sdk-globalaccelerator/src/main/java/com/amazonaws/services/globalaccelerator/model/CreateEndpointGroupRequest.java