public void setSuccessNextStep(DialogState successNextStep) {
        this.successNextStep = successNextStep;
    }
<p>
Specifies the next step in the conversation that Amazon Lex invokes when the fulfillment code hook completes
successfully.
</p>

@param successNextStep
       Specifies the next step in the conversation that Amazon Lex invokes when the fulfillment code hook
       completes successfully.
aws-java-sdk-lexmodelsv2/src/main/java/com/amazonaws/services/lexmodelsv2/model/PostFulfillmentStatusSpecification.java