[Vanter]

pawn Код:

public OnPlayerDeath(playerid, killerid, reason)
{
    new pname[24];
    new killername[24];
    new string[128];

    GetPlayerName(playerid,pname,sizeof(pname));
    GetPlayerName(killerid,killername,sizeof(killername));
     format(string,sizeof(string),"[KILL] %s(%d) killed %s(%d). [Weapon: %s]",killername,killerid,pname,playerid,reason);
     SendClientMessageToAll(COLOR_RED,string);
return 1;
}

Here
EDITED: to show the weapon