telegram-bot/CustomChatAddOns/Data/InputFile/InputUrlFile.cs

using Kruzya.TelegramBot.Core.Attributes;
using Newtonsoft.Json;
using Telegram.Bot.Types;

namespace Kruzya.TelegramBot.CustomChatAddOns.Data.InputFile
{
    [AllowedSerializableType("input_url_file")]
    public class InputUrlFile : ICustomInputFile
    {
        [JsonProperty("url")]
        public string Url { get; set; } = "";

        public IInputFile Convert()
        {
            return new InputFileUrl(Url);
        }
    }
}