public PostFulfillmentStatusSpecification withSuccessNextStep(DialogState successNextStep) {
        setSuccessNextStep(successNextStep);
        return this;
    }
<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.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-lexmodelsv2/src/main/java/com/amazonaws/services/lexmodelsv2/model/PostFulfillmentStatusSpecification.java