Id
This property allows you to assign a unique ID to the Frame 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 frame control with ID property
screen section.
...
  03 screen-1-fr-1 Frame
     line 17.7
     column 20.0
     size 24.3 cells 
     lines 27.8 cells 
     id 16
     .