just use triggers and notifications and props + barriers
lets say that you had a cutscene of 2 gims talking in front of a waterfall. you would have the notification dialogue running, with the waterfall having some kind of animation in the background.
The creator of gimkit, Josh and the team. But that feature might get added. But for right now, its not possible in gkc. @Gimkitfan, if your question is solved, please mark a solution!