using System;

using System.Threading.Tasks;

public class Program

{

    public static async Task Main()

    {

        var client = new Gw2Sharp.Gw2Client();

        var items = await client.WebApi.V2.Items.ManyAsync(new[] { 68377, 23020 });

        foreach (var item in items)

            Console.WriteLine($"{item.Id}: {item.Name}");

        var prices = await client.WebApi.V2.Commerce.Prices.ManyAsync(new[] { 12345 });

        foreach (var price in prices)

            Console.WriteLine("bla");

    }

}