Yes. After the query is generated, click "Edit Columns" on any section in the preview to add or remove fields using the standard Flex Query column selector.
Can I edit the columns after the AI builds my query?
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How do I create, edit or delete a Flex Query?
How do I create a Flex Query in CSV format?
How do I create a Hidden order in Classic TWS?
Can I add or remove columns from the Orders and/or Trades tab in the Market Depth Trader?