public void setDestination(String destination) {
        this.destination = destination;
    }
<p>
The email address or phone number destination where Amazon Cognito sent the code.
</p>

@param destination
       The email address or phone number destination where Amazon Cognito sent the code.
aws-java-sdk-cognitoidp/src/main/java/com/amazonaws/services/cognitoidp/model/CodeDeliveryDetailsType.java