To get the data from the order detail table you need to override the same as you did with Cart.php and add a field.
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To get the data from the order table you need to override the same as you did with Cart.php and add a field.
To get the data from the order detail table you need to override the same as you did with Cart.php and add a field.
To get the data from the order table you need to override the same as you did with Cart.php and add a field.