Help-Id
This property allows you to assign a unique ID to the Combo-Box control to be passed to the help processor.
See Help automation for more information.
 
Example - Define a combo-box in screen section with help-id
screen section.
...
03 screen-1-co-1 Combo-Box
   line 19.0
   column 23.0
   size 12.0 cells 
   lines 11.0
   foreground-color 3
   help-id 510
   id 13
   3-d
   drop-down
   .