[CoaPsyFactor]

you can do that using random, try this

Код:

CMD:overload(playerid, params[])
{
    SendMessageToAdmins(playerid, "overload", params);
    if (GetPlayerTeam(playerid) == 1)
    {
        new m = GetVehicleModel(GetPlayerVehicleID(playerid));
        if(m == 514 || m == 515 || m == 403 || m == 455)
        {
            new t = GetVehicleModel(GetVehicleTrailer(GetPlayerVehicleID(playerid)));
            if (t == 435 || t == 450 || t == 584 || m == 455)
            {
                if (GetPlayerVehicleSeat(playerid) == 0)
                {
                  	new Message[180], rand = random(5);
                       
                       if (random > 1) {
                           format(Message, sizeof(Message), "Your truck is over loaded!");
                           SendClientMessage(playerid, WORK, Message);
                 	   TruckLoad[playerid] = 1;
                       } else {
                            SendClientMessage(playerid, WORK, "Truck was not overloaded.");
                       }

                	
                }
                else
                {
                    SendClientMessage(playerid, COLOR_LIGHTGREEN, "You are not the driver of this vehicle");
                }
            }
            else
            {
                SendClientMessage(playerid, COLOR_LIGHTGREEN, "You do not have a trailer, please go and attach one!");
            }
        }
        else
        {
            SendClientMessage(playerid, COLOR_LIGHTGREEN, "You are not in a truck, please go and get one!");
        }
    }
    return 1;
}