The following events are generated by optional Storyboard plugins.
Timer events are generated as a result of a timer action. See
documentation on the gra.timer action for further information
about configuring timers.
The timer event name will be formatted as timer.[name] where
name is the value set as the name of the timer when the
action was defined.
Animation events are generated as a result of an animation action. See
documentation on the gra.animation action for further
information about configuring animations.
When an animation is completed, an animation event will be fired. The
event name will be formatted as gre.animate.complete.[name]
where name is the value set as the name of the animation when
the action was defined.