Use the ‘apply damage’ node and deal 1 damage after every hit to the actor it’s overlapping, on the player you must set up ‘Event AnyDamage’ and thats where you can sort out taking damage away from a health variable.
https://i.imgur.com/m3NjZqP.jpg
Just added an image with a more streamlined way of calling animations rather than repeating all those nodes you have.