A user may want to limit calculations to include only those values in a column that have some specific properties. For example, a user may want to sum only the amounts of customer entries that are entered in April. This is possible if the application has been designed using FlowFilter fields in connection with the FlowFields.
The following illustration shows the relationship between various types of database fields and the calculation formula.
The filters defined in the calculation formula can consist of constants, values from ordinary fields, and filters given as parameters in FlowFilter fields. In FlowFilter fields, a user can enter a filter value (via the user interface in a C/SIDE application) that will affect the calculation of a FlowField.