[Seven_of_Nine]

You meant like so?

pawn Код:

CMD:setupdate(playerid,params[])
{
    if(!IsPlayerAdmin(playerid)) return 0;
    new iVersion[64];
    if(sscanf(params,"s[64]",iVersion)) return SendHelpMessage(playerid,"/setupdate <text>","It will set the server name.");
    new iUpdate[300];
    format(iUpdate,sizeof(iUpdate),"hostname [0.3d]L.A. Noire RPG Cops and Robbers %s",iVersion);
    SendRconCommand(iUpdate);
    return 1;
}