public String getCodeHookInterfaceVersion() {
        return this.codeHookInterfaceVersion;
    }
<p>
The version of the request-response that you want Amazon Lex to use to invoke your Lambda function.
</p>

@return The version of the request-response that you want Amazon Lex to use to invoke your Lambda function.
aws-java-sdk-lexmodelsv2/src/main/java/com/amazonaws/services/lexmodelsv2/model/LambdaCodeHook.java