Blueprint Interaction via Events
----- Example 1.1
----- Reviewing the button Blueprint tabs
----- Code in the Construction Script
----- Button code in the Event Graph
----- How the button color changes via a material parameter
----- Handling the “Toggle light” event in another Blueprint
----- Light bulb Blueprint tabs
----- Light bulb code in the Event Graph
----- Light bulb function “Update light color”
----- Caching the incoming parameter in a local variable
----- Setting the color and light for the bulb
https://dev.epicgames.com/community/learning/tutorials/Oy34/unreal-engine-5-blueprint-interaction-part-01-blueprint-interaction-via-events