Triggers when the specified actor is created or killed.
Triggers when any actor of the specified Actor Type is created or killed.
Triggers when any actor that is a member of the specified Actor Group is created or killed.
Triggers when the specified actor enters/leaves the Screen/Scene.
Triggers when any actor of the specified Actor Type enters/leaves the screen/scene.
Triggers when any actor that is a member of the specified Actor Group enters/leaves the screen/scene.
Triggers when the specified actor enters/leaves the specified region.
Triggers when any actor of the specified Actor Type enters or leaves the specified region.
Triggers when any actor that is a member of the specified Actor Group enters or leaves the specified region.