You can write a script to do just about anything you need.
To play a scene director, you might use something like this:
dim scene as xpScene
dim director as xpSceneDirector
engine.sequencer.getSceneByID(123, scene)
scene.getSceneDirectorByName("my scene director", director)
director.play
To start a clock widget, maybe something like this:
dim clock as xpClockTimerWidget
engine.getWidgetByName("my widget", clock)
clock.start
Take a look at the Xpression SDK documentation inside the Help folder for all the fun things you can do.
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