1. Navigate to Administration, then click on Smart Fields
  2. Click drop down next to your smart field, and select Edit
  3. Select the Parameters tab
  4. Click the magnifying glass next to Application selection
  5. Click Add, then select Ad-hoc query
  6. Select the Revenue Application and hit okay
  7. From the left-hand side of query, select Revenue details. From the middle column, select payment method and move it to Include records where. Set Not Equal to Gifts-in-kind.
  8. Click the Set save options tab and Name the query
  9. Save and close
  10. Click Save
  11. Hit the expand button next to you smart field and click the process button.
For other information about this type of smart field and steps for building one, reference this article - I need to pull a report that shows all donors who donated a cumulative amount for a certain time period.