Conditions: is blank / is not blank
The following conditions: is blank / is not blank will allow you to use individual mapping methods for individual products or product groups.
You can assign some values to products depending on whether a given value is blank, or not.
Example:
You can use this option to rename sale_price, if the value of sale_price field is not blank. Otherwise, as you can see below, the value of the price field will be used.
You can, of course, combine this one with many other conditions.
