[Fred1993]

pawn Код:

CMD:set(playerid,params[])
{
    new id, thing[128] , value;
    if(!sscanf(params, "ds[128]d", id, thing, value))
    {
         if(strcmp(thing,"level", true) == 0)
          {
           // your code here
          }
          if(strcmp(thing,"xp", true) == 0)
          {
           // your code here
          }
          if(strcmp(thing,"money", true) == 0)
          {
           // your code here
          }
    }
    else
     SendClientMessage(playerid, -1, "USAGE: /set [playerid/partofName] [Thing] [value]");

return 1;
}

Hope i helped