QUANTITY RELATED PRICE CALCULATION 2.0 only for selected products

[Eikka]

Hi,
How can I activate QUANTITY RELATED PRICE CALCULATION 2.0 only for products which I have selected calculation rule in product details.
Now rule is affected every product in selected categories. If no categories is selected, rule affcts every product.
I need to make this affet only those produt where I have selected the rule in product options.

[jenkinhill]

iStraxx plugin support is by ticket.  https://extensions.virtuemart.net/ticket