How do i to create top down movment with rotations?,How to make rotate in a top down games.

I have had a problem fore a while now, and that is I dont know how to make the player in the game rotate. i have serch for ansers but i havent found any that show how to rotate the player in the game and not with animation, the problem is that if i vant a interaction box on the player i have to rotate that ass well so i hope that someoen has anwsers here, thanks.,I have had a problem with creating top down games. The problem is that i dont know how to rotate the player, i have watched tutorials but i only find them using rotations in animations and not in the game. So i want to know how to rotate the player so i can have a interaction box that rotates with the player thacks.