Count and sum expressions in business rules

You enter both count and sum expression types in the same way. These expressions can include a Boolean condition to filter the list.

The following are examples of count and sum expressions:

• Sum the new vehicle cost of all convertibles, coupe, and four-door sedans:

  the sum of

  vehicle.CostNew for each personalVehicle in the vehicles list

  where vehicle.BodyType Is In "Convertible", "Coupe", "Four-door sedan"

• Count the number of drivers over the age of 18:

  The count of

    each policyDriver in the policyDrivers list

    where policyDriver.Age > 18