public void setCreatedAt(java.util.Date createdAt) {
        this.createdAt = createdAt;
    }
<p>
The time when you created your SSL/TLS certificate.
</p>

@param createdAt
       The time when you created your SSL/TLS certificate.
aws-java-sdk-lightsail/src/main/java/com/amazonaws/services/lightsail/model/LoadBalancerTlsCertificate.java