using CitizenFX.Core;
 
namespace MyResourceNameClient
{
    public class Class1 : BaseScript
    {
        public Class1()
        {
        }
    }
}

using System;
using System.Collections.Generic;
using CitizenFX.Core;
using static CitizenFX.Core.Native.API;
 
namespace MyResourceNameClient
{
    public class Class1 : BaseScript
    {
        public Class1()
        {
            EventHandlers["onClientResourceStart"] += new Action<string>(OnClientResourceStart);
        }
 
        private void OnClientResourceStart(string resourceName)
        {
            if (GetCurrentResourceName() != resourceName) return;
 
            RegisterCommand("car", new Action<int, List<object>, string>((source, args, raw) =>
            {
                TriggerEvent("chat:addMessage", new
                {
                    color = new[] {255, 0, 0},
                    args = new[] {"[CarSpawner]", $"I wish I could spawn this {(args.Count > 0 ? $"{args[0]} or" : "")} adder but my owner was too lazy. :("}
                });
            }), false);
        }
    }
}

RegisterCommand("car", new Action<int, List<object>, string>(async (source, args, raw) =>
{
    var model = "adder";
    if (args.Count > 0)
    {
        model = args[0].ToString();
    }
 
    var hash = (uint) GetHashKey(model);
    if (!IsModelInCdimage(hash) || !IsModelAVehicle(hash))
    {
        TriggerEvent("chat:addMessage", new
        {
            color = new[] { 255, 0, 0 },
            args = new[] { "[CarSpawner]", $"It might have been a good thing that you tried to spawn a {model}." }
        });
        return;
    }
 
    var vehicle = await World.CreateVehicle(model, Game.PlayerPed.Position, Game.PlayerPed.Heading);
    Game.PlayerPed.SetIntoVehicle(vehicle, VehicleSeat.Driver);
 
    TriggerEvent("chat:addMessage", new
    {
        color = new[] {255, 0, 0},
        args = new[] {"[CarSpawner]", $"Woohoo! Enjoy your new ^*{model}!"}
    });
}), false);