public void setCreatedAt(java.util.Date createdAt) {
        this.createdAt = createdAt;
    }
<p>
The time when the App Runner service was created. It's in the Unix time stamp format.
</p>

@param createdAt
       The time when the App Runner service was created. It's in the Unix time stamp format.
aws-java-sdk-apprunner/src/main/java/com/amazonaws/services/apprunner/model/ServiceSummary.java