public async Task Execute(TelegramBotClient botClient, Update update) { InputTextMessageContent aux = new InputTextMessageContent( Emojis.Symbols.Other_Symbol.double_exclamation_mark + Emojis.Symbols.Other_Symbol.double_exclamation_mark + Emojis.Symbols.Other_Symbol.double_exclamation_mark + Emojis.Symbols.Other_Symbol.double_exclamation_mark + Emojis.Symbols.Other_Symbol.double_exclamation_mark + Emojis.Symbols.Other_Symbol.double_exclamation_mark + Emojis.Symbols.Other_Symbol.double_exclamation_mark ); var articleResult = new InlineQueryResultArticle("A", "Spoiler", aux); articleResult.ThumbUrl = "https://cdn.pixabay.com/photo/2012/04/12/22/25/warning-sign-30915_960_720.png"; var results = new InlineQueryResultBase[] { articleResult }; results[0].ReplyMarkup = new InlineKeyboardMarkup(InlineKeyboardButton.WithCallbackData("Spoiler", update.InlineQuery.Query.Remove(0, 9))); await botClient.AnswerInlineQueryAsync(update.InlineQuery.Id, results); }