Do not click buttons on the widget after death.
Everything opens as you can see, but when you try to press Restart or Quit to Main Menu nothing happens!
OnClick event was added. Sorry for my bad English!) I will be glad to any help.
You have to set input mode to UI Only to be actually able to press those buttons.
You can do that by taking playercontroller reference and call set input mode function.
You can literally do it in both blueprints, but for now i can say, in your character blueprint, just after show mouse cursor, you can add set input mode function from “get player controller” and set it to UI Only.