Atttaching two objects when collsion is triggered

Hey Guys,
I want to attach two objects from my blueprint to another when collision box (attached to one of the objects) detects a hit or overlap. As you can also see in the picture one object is located above the major object (Highlighted in the pic) and with event begins to play the top object teleports itself in front of the bottum one (into the collision box)

Appreciate every help !!!

p.s. i am sorry for my bad language skills

The blue arrow shows the destination of teleport