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