public void setCreatedAt(String createdAt) {
        this.createdAt = createdAt;
    }
The time the PackagingConfiguration was created.

@param createdAt
       The time the PackagingConfiguration was created.
aws-java-sdk-mediapackagevod/src/main/java/com/amazonaws/services/mediapackagevod/model/DescribePackagingConfigurationResult.java