How do I add projectile effects to a projectile system based on a line trace?

I made a blueprint for projectiles for a prototype. every-time I fire the projectile it registers as “+5”. Though I don’t see any indication of what I hit or how it looks so I figured next step is a projectile object or explosion. Would I make the particle effect and attach the setup to the projectile blueprint under a drop option. Can you provide a image of where the VFX or object would go in the blueprint?