This method retrieves the generated file that is associated with the specified task ID. The response of this call is a compressed or uncompressed CSV, XML, or JSON file, with the applicable file extension (for example: csv.gz). <p>For details about how this method is used, see <a href="/api-docs/sell/static/orders/generating-and-retrieving-order-reports.html">Working with Order Feeds</a> in the Selling Integration Guide. </p><p><span class="tablenote"><strong>Note:</strong> The status of the task to retrieve must be in the COMPLETED or COMPLETED_WITH_ERROR state before this method can retrieve the file. You can use the getTask or getTasks method to retrieve the status of the task.</span></p>