[CmZxC]

Define you are looking for is KEY_LOOK_BEHIND.

The callback you are looking for is OnPlayerKeyStateChange.

The code you are looking for is below.

pawn Код:

public OnPlayerKeyStateChange(playerid, newkeys, oldkeys)
{
    if(newkeys & KEY_LOOK_BEHIND)
    {
        // what happens if player pressed MMB / Numpad 1 ?
    }
}