public void setCreatedAt(java.util.Date createdAt) {
        this.createdAt = createdAt;
    }
<p>
The timestamp of when this data source was created.
</p>

@param createdAt
       The timestamp of when this data source was created.
aws-java-sdk-datazoneexternal/src/main/java/com/amazonaws/services/datazone/model/DeleteDataSourceResult.java