Exception-Value
If a numeric value different from "0" is set for this property and the 
Notify-Selchange style is set, an exception condition for the active screen is generated when the value of the Combo-Box control is modified.
 
Example - Define a combo-box with an exception value
screen section. ... 03 screen-1-co-1 Combo-Box    line 19.4    column 23.2    size 11.9 cells     lines 11.1    exception-value 100    id 13    .  |