To access the Script Manager dialog, select a skin o instanced geometry marked as trigger in the VScene and choose Modify | Geometry | Script... from the main menu. This dialog lets you assign scripts to trigger events. Alternatively, you can click the button.
Script Manager
Trigger::Enter
Opens a dialog that lets you select a lua script (*.lua) for enter event of selected trigger.
Trigger::Exit
Opens a dialog that lets you select a lua script (*.lua) for exit event of selected trigger
Report
Reports the errors of imported scripts.