isCOBOL Evolve : User Interface : Controls Reference : LABEL : Properties : Id
Id
This property allows you to assign a unique ID to the Label 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 label with an ID
screen section.
...
  03 screen-1-la-1 Label
     line 3.5
     column 16.9
     size 26.5 cells 
     lines 3.2 cells 
     id 25
     title "This is the main Title"
     .