How to specify game mode's HUD Class with BP_HUD on my Code Third Person project?

#Two Options

#Option 1

Go to world settings, click on new, next to game mode

then you can open that game mode BP and change your HUD class

#Option 2, C++

See my tutorial for player controller and do the same for your HUD instead

DefaultHUDClass = see tutorial

#Enjoy!

Rama