wasd walking system

Hi everyone, I have been looking for a mouse camera system with WASD controls and this one is simply fantastic. Although the map is protected so I can't study the triggers. Do some on you have any idea how such beautiful work has been done? Any tutorial link? I'd love to implement a system like...

Hello guys! I am wondering if someone can help me make WASD system in my map? Ill send you the map, and if you can create it for me, i would be MORE than happy!! :D I am making a Battle Royale game, its gonna be epic! Thank you! Looking forwards hearing from you!