telegram-bot/CustomChatAddOns/Data/Ping.cs

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

namespace Kruzya.TelegramBot.CustomChatAddOns.Data
{
    [AllowedSerializableType("ping")]
    public class Ping
    {
        [JsonProperty("chat_id")]
        public long ChatId { get; set; }

        [JsonProperty("user_id")]
        public long UserId { get; set; }

        [JsonProperty("confirmation")]
        public string Confirmation { get; set; } = Guid.NewGuid().ToString();

        public static Ping From(Message message) => new() {
            ChatId = message.Chat.Id,
            UserId = message.From!.Id
        };
    }
}