Hi !
Your BP is great ! I’m a beginner and I understood it easily 
But on my playlets there is an issue : my widget, when add in viewport, appears during one quick frame at opacity 100% before playing my fade in animation (opacity 0 to 100%). Any suggestion ?
Just know that if I put a delay node between “event construct” and “play animation”, it increase the duration of this 100% opacity annoying frame…