Specify function as operand in rate routine step

Procedure

Navigate to an editable rate routine.
In a step Operand, select Function....
PolicyCenter displays the Select a Function screen.
In the Function field, select one of the predefined functions from the drop-down list.

In the Arguments panel, you select the source of each parameter value in the Source/Value field. The Source/Value field offers the same choices as selecting an Operand, but the selections are filtered to match the parameter Type. For example, if the parameter type is a string, the choices only include strings.
Select sources for all arguments, and click OK to save your work.