Adds the product of the variables that match the given name within the given category.
VariableSumMultiply([Category Path], [Variable Filter 1], [Variable Filter 2])
Category Path is the path to the category whose variables will be processed, nested categories can be separated with the backslash.
Variable Filter 1 and Variable Filter 2 is a string which will be used to match variables.
|VariableSumMultiply("Quote\LineItem","*UnitPrice","*Qty")||Will multiply all variables, in the Quote\LineItem category, ending in UnitPrice with those ending in Qty|