Task
This case prepares the Gift card column from product_type for the final CSV.
Short answer
Set Gift card to true for gift card and certificate rows; use false for regular products.
How to do it in Eofferix
Select the source column or create the output column from the specified source.
product_type→Gift card.Open the settings of the output column
Gift card.
Real animation: opening the output column settings in the table editor. In Transformations, add the rules shown below.

Real screenshot of the Transformations block for this column. Save the settings, go to export, and check the values in the downloaded CSV.
Check target column names and accepted values against the official CSV documentation. Shopify CSV.
Before / after
Before
source data| Handle | Title | product_type |
|---|---|---|
| gift-50 | Gift certificate 50 | gift card |
| cert-100 | Certificate 100 | certificate |
| lamp | Desk lamp | product |
After
result| Handle | Title | Gift card |
|---|---|---|
| gift-50 | Gift certificate 50 | true |
| cert-100 | Certificate 100 | true |
| lamp | Desk lamp | false |