isCOBOL Evolve : User Interface : Controls Reference : RADIO-BUTTON : Properties : Id
Id
This property allows you to assign a unique ID to the Radio-Button control.
This is the information the variables event-control-id and control-id refer to. Both variables are defined in iscrt.def.
 
Example - Define a radio button with an ID number
screen section.
...
  03 screen-1-rb-2 Radio-Button
     line 20.6
     column 21.7
     size 10.9 cells 
     lines 5.4 cells 
     id 5
     hint "Select this as alternative option"
     title "Option 2"
     .