COMMAND:jail(playerid, params[])
{
   new
      player,
      minutes;
   if (sscanf(params, "dd", player, minutes))
   {
      SendClientMessage(playerid, -1, "Usage: /jail [player] [minutes]");
      return 1;
   }
   new
      string[50];
   format(string, sizeof string, "You have jailed player ID %d for %d minutes.", player, minutes);
   SendClientMessage(playerid, -1, string);
   return 1;
}