Learn how to use Sequencer and Blueprints to create simple interactions such as opening a car door. We use Sequencer to set up the animation with a simple keyframe animation, and later use that animation to trigger the sequence via a Blueprint.
https://dev.epicgames.com/community/learning/talks-and-demos/2y/opening-a-door-in-car-configurators-tips-and-tricks-unreal-engine