[SickAttack]

Which command processor are you using? The link that I gave you is for ZCMD.

pawn Код:

public OnPlayerCommandPerformed(playerid, cmdtext[], success) 
{ 
    if(!success) 
    { 
        SendClientMessage(playerid, COLOR_RED, "Hey, you entered a wrong command!"); 
    } 
    return 1; 
}