Defining Functions › Function Fields › Design Considerations

Design Considerations

Function fields can be pulled into a panel display or a report. The function fields appear on the device design. However, the special characteristics inherent in each function field type allow you to specify unique processing.

For example, a user could specify a SUM function field to sum a computed total for all of the detail lines on an EDTTRN function called Edit Orders display. The SUM field is used to compute a value from an occurrence of a field in a detail format, with the result placed in the summation field in a header format.

Note: The totaling function fields, MIN, MAX, SUM, and CNT are only valid for header or detail display functions such as Display Transaction and Edit Transaction as well as print functions (Print Object and Print File).