public void setConditional(ConditionalSpecification conditional) {
        this.conditional = conditional;
    }
<p>
A list of conditional branches associated with the intent's closing response. These branches are executed when
the <code>nextStep</code> attribute is set to <code>EvalutateConditional</code>.
</p>

@param conditional
       A list of conditional branches associated with the intent's closing response. These branches are executed
       when the <code>nextStep</code> attribute is set to <code>EvalutateConditional</code>.
aws-java-sdk-lexmodelsv2/src/main/java/com/amazonaws/services/lexmodelsv2/model/IntentClosingSetting.java