I want to do combat with a button, but I couldn't. What am I doing wrong? Can you help?

[saitexe]

I watched this video to add a simple combat system with a single key press for characters, but the system didn’t work for me. I would appreciate your help.

Unreal-5: Blueprint Animation COMBOs (In 2 Minutes!!)

[Album] imgur.com

[Album] combat bp i think