In this tutorial, you will be introduced to Blueprints in Unreal Engine. We will start by learning what a Blueprint is and how we use them in Unreal. We will look at different Blueprint types and create our first Blueprint script. In the end, we will complete a simple exercise to apply what we have learned.
https://dev.epicgames.com/community/learning/tutorials/jZp5/unreal-engine-introduction-to-blueprints