From the 3D Rad website:
"With [the script object] you can manipulate the internal parameters of all the objects linked to it by using a script.
In your script, you can also execute functions on the linked objects, for example to show/hide them, or start/stop their action, and so on.
The script language's syntax is C-like. The script engine is AngelScript, by Andreas Jönsson.
Please see the Script Object Reference document for details on all currently available script functions."
Script Object, 3D Rad Help
AngelScript Tutorial
Script Object Reference