You have set up the condition type K029 as a gross weight-calculated discount based on the material group. You now want to implement this for ordered materials belonging to the same material group…

You have set up the condition type K029 as a gross weight-calculated discount based on the material group. You now want to implement this for ordered materials belonging to the same material group. The system should accumulate the gross weight of the items to determine the scale rate. For the required weight accumulation, what function should be used for condition type K029?