This video will teach you to make a smooth crouch with no instant camera movement for your first person shooter game in unreal engine 4 or 5
0:00 Introduction
0:11 Input setup
0:26 Viewport setup
1:10 Getting Input from player
2:09 Checking that can the player uncrouch
4:25 Adjusting collision height according to input
5:50 Making sure that the camera does clip through walls
6:21 Final product