public void setCreatedAt(java.util.Date createdAt) {
        this.createdAt = createdAt;
    }
<p>
The time when the VPC Ingress Connection was created. It's in the Unix time stamp format.
</p>
<ul>
<li>
<p>
Type: Timestamp
</p>
</li>
<li>
<p>
Required: Yes
</p>
</li>
</ul>

@param createdAt
       The time when the VPC Ingress Connection was created. It's in the Unix time stamp format.</p>
       <ul>
       <li>
       <p>
       Type: Timestamp
       </p>
       </li>
       <li>
       <p>
       Required: Yes
       </p>
       </li>
aws-java-sdk-apprunner/src/main/java/com/amazonaws/services/apprunner/model/VpcIngressConnection.java