PvP Controls are explained during the tutorial and are usually also shown again in the PvP loading screen, as shown in the picture below. At the moment they are not customizable, but in future updates it will be possible to change the predefined keys.

Pvp mode controls

In particular, the controls are summarized in the table below:

W Move forward
S Move backwords
A Move left
D Move right
TAB View scoreboard
Enter Chat
Ctrl Crouch (Keep pressing)
Space Jump
M View Map
F Drop or Pick up a Weapon from the floow
R Reload
C Crouch / Stand up
B or 1,2,3,4 Swap weapon
Left button (Mouse) Fire
Right button (Mouse) Aim (Sniper weapon)