public void setResponseCard(String responseCard) {
        this.responseCard = responseCard;
    }
<p>
At runtime, if the client is using the <a
href="http://docs.aws.amazon.com/lex/latest/dg/API_runtime_PostText.html">PostText</a> API, Amazon Lex includes
the response card in the response. It substitutes all of the session attributes and slot values for placeholders
in the response card.
</p>

@param responseCard
       At runtime, if the client is using the <a
       href="http://docs.aws.amazon.com/lex/latest/dg/API_runtime_PostText.html">PostText</a> API, Amazon Lex
       includes the response card in the response. It substitutes all of the session attributes and slot values
       for placeholders in the response card.
aws-java-sdk-lexmodelbuilding/src/main/java/com/amazonaws/services/lexmodelbuilding/model/Statement.java