Here is a list of all variables with links to the classes they belong to:

- u -

• unclaimedPrizeCount : tgbotxx::GiveawayCompleted, tgbotxx::GiveawayWinners
• uniqueGift : tgbotxx::Message
• uniqueGifts : tgbotxx::AcceptedGiftTypes
• unlimitedGifts : tgbotxx::AcceptedGiftTypes
• unrestrictBoostCount : tgbotxx::ChatFullInfo
• untilDate : tgbotxx::ChatMemberBanned, tgbotxx::ChatMemberRestricted
• updateId : tgbotxx::Update
• upgradeStarCount : tgbotxx::Gift
• url : tgbotxx::InlineKeyboardButton, tgbotxx::InlineQueryResultArticle, tgbotxx::LinkPreviewOptions, tgbotxx::LoginUrl, tgbotxx::MessageEntity, tgbotxx::RevenueWithdrawalStateSucceeded, tgbotxx::StoryAreaTypeLink, tgbotxx::WebAppInfo, tgbotxx::WebhookInfo
• user : tgbotxx::BusinessConnection, tgbotxx::ChatBoostSourceGiftCode, tgbotxx::ChatBoostSourceGiveaway, tgbotxx::ChatBoostSourcePremium, tgbotxx::ChatMember, tgbotxx::DirectMessagesTopic, tgbotxx::GameHighScore, tgbotxx::MessageEntity, tgbotxx::MessageReactionUpdated, tgbotxx::PollAnswer, tgbotxx::TransactionPartnerUser
• userAdministratorRights : tgbotxx::KeyboardButtonRequestChat
• userChatId : tgbotxx::BusinessConnection, tgbotxx::ChatJoinRequest
• userId : tgbotxx::BotCommandScopeChatMember, tgbotxx::Contact, tgbotxx::SharedUser, tgbotxx::UsersShared
• userIsBot : tgbotxx::KeyboardButtonRequestUsers
• userIsPremium : tgbotxx::KeyboardButtonRequestUsers
• username : tgbotxx::Chat, tgbotxx::SharedUser, tgbotxx::User
• users : tgbotxx::UsersShared, tgbotxx::VideoChatParticipantsInvited
• usersShared : tgbotxx::Message