Oracle Forms provides triggers that you can use to respond to interface events that occur when the end user manipulates a radio group.
In order for a radio button to execute a command or initiate a command, you must attach a When-Radio-Changed trigger to it that fires when the radio button is selected.
When the Radio Button event occurs, that is, when an end user selects the radio button, Oracle Forms executes the code in the When-Radio-Changed trigger.
You can set and get radio button properties programmatically with the following Built-in subprogram routines: