public void setDefaultAction(String defaultAction) {
        this.defaultAction = defaultAction;
    }
<p>
The default action of the traffic policy.
</p>

@param defaultAction
       The default action of the traffic policy.
@see AcceptAction
aws-java-sdk-mailmanager/src/main/java/com/amazonaws/services/mailmanager/model/GetTrafficPolicyResult.java