Here is a list of all documented class members with links to the class documentation for each member:

- u -

• udp_p2p_ : callProtocol
• udp_reflector_ : callProtocol
• unavailability_reason_ : availableReactions
• unclaimed_prize_count_ : messageGiveawayCompleted , messageGiveawayWinners
• unconfirmedSession() : unconfirmedSession
• unique_id_ : remoteFile
• unpinAllChatMessages() : unpinAllChatMessages
• unpinAllMessageThreadMessages() : unpinAllMessageThreadMessages
• unpinChatMessage() : unpinChatMessage
• unread_count_ : chat , forumTopic , updateChatReadInbox , updateUnreadChatCount , updateUnreadMessageCount
• unread_mention_count_ : chat , forumTopic , updateChatUnreadMentionCount , updateMessageMentionRead
• unread_message_count_ : messageThreadInfo
• unread_reaction_count_ : chat , forumTopic , updateChatUnreadReactionCount , updateMessageUnreadReactions
• unread_reactions_ : message , updateMessageUnreadReactions
• unread_unmuted_count_ : updateUnreadChatCount , updateUnreadMessageCount
• unreadReaction() : unreadReaction
• unrestrict_boost_count_ : setSupergroupUnrestrictBoostCount , supergroupFullInfo
• update_order_of_installed_sticker_sets_ : messageSendOptions
• update_recent_reactions_ : addMessageReaction , setStoryReaction
• updateAccentColors() : updateAccentColors
• updateActiveEmojiReactions() : updateActiveEmojiReactions
• updateActiveLiveLocationMessages() : updateActiveLiveLocationMessages
• updateActiveNotifications() : updateActiveNotifications
• updateAnimatedEmojiMessageClicked() : updateAnimatedEmojiMessageClicked
• updateAnimationSearchParameters() : updateAnimationSearchParameters
• updateApplicationVerificationRequired() : updateApplicationVerificationRequired
• updateAttachmentMenuBots() : updateAttachmentMenuBots
• updateAuthorizationState() : updateAuthorizationState
• updateAutosaveSettings() : updateAutosaveSettings
• updateAvailableMessageEffects() : updateAvailableMessageEffects
• updateBasicGroup() : updateBasicGroup
• updateBasicGroupFullInfo() : updateBasicGroupFullInfo
• updateBusinessConnection() : updateBusinessConnection
• updateBusinessMessageEdited() : updateBusinessMessageEdited
• updateBusinessMessagesDeleted() : updateBusinessMessagesDeleted
• updateCall() : updateCall
• updateChatAccentColors() : updateChatAccentColors
• updateChatAction() : updateChatAction
• updateChatActionBar() : updateChatActionBar
• updateChatActiveStories() : updateChatActiveStories
• updateChatAddedToList() : updateChatAddedToList
• updateChatAvailableReactions() : updateChatAvailableReactions
• updateChatBackground() : updateChatBackground
• updateChatBlockList() : updateChatBlockList
• updateChatBoost() : updateChatBoost
• updateChatBusinessBotManageBar() : updateChatBusinessBotManageBar
• updateChatDefaultDisableNotification() : updateChatDefaultDisableNotification
• updateChatDraftMessage() : updateChatDraftMessage
• updateChatEmojiStatus() : updateChatEmojiStatus
• updateChatFolders() : updateChatFolders
• updateChatHasProtectedContent() : updateChatHasProtectedContent
• updateChatHasScheduledMessages() : updateChatHasScheduledMessages
• updateChatIsMarkedAsUnread() : updateChatIsMarkedAsUnread
• updateChatIsTranslatable() : updateChatIsTranslatable
• updateChatLastMessage() : updateChatLastMessage
• updateChatMember() : updateChatMember
• updateChatMessageAutoDeleteTime() : updateChatMessageAutoDeleteTime
• updateChatMessageSender() : updateChatMessageSender
• updateChatNotificationSettings() : updateChatNotificationSettings
• updateChatOnlineMemberCount() : updateChatOnlineMemberCount
• updateChatPendingJoinRequests() : updateChatPendingJoinRequests
• updateChatPermissions() : updateChatPermissions
• updateChatPhoto() : updateChatPhoto
• updateChatPosition() : updateChatPosition
• updateChatReadInbox() : updateChatReadInbox
• updateChatReadOutbox() : updateChatReadOutbox
• updateChatRemovedFromList() : updateChatRemovedFromList
• updateChatReplyMarkup() : updateChatReplyMarkup
• updateChatRevenueAmount() : updateChatRevenueAmount
• updateChatTheme() : updateChatTheme
• updateChatThemes() : updateChatThemes
• updateChatTitle() : updateChatTitle
• updateChatUnreadMentionCount() : updateChatUnreadMentionCount
• updateChatUnreadReactionCount() : updateChatUnreadReactionCount
• updateChatVideoChat() : updateChatVideoChat
• updateChatViewAsTopics() : updateChatViewAsTopics
• updateConnectionState() : updateConnectionState
• updateContactCloseBirthdays() : updateContactCloseBirthdays
• updateDefaultBackground() : updateDefaultBackground
• updateDefaultReactionType() : updateDefaultReactionType
• updateDeleteMessages() : updateDeleteMessages
• updateDiceEmojis() : updateDiceEmojis
• updateFavoriteStickers() : updateFavoriteStickers
• updateFile() : updateFile
• updateFileAddedToDownloads() : updateFileAddedToDownloads
• updateFileDownload() : updateFileDownload
• updateFileDownloads() : updateFileDownloads
• updateFileGenerationStart() : updateFileGenerationStart
• updateFileGenerationStop() : updateFileGenerationStop
• updateFileRemovedFromDownloads() : updateFileRemovedFromDownloads
• updateForumTopicInfo() : updateForumTopicInfo
• updateGroupCall() : updateGroupCall
• updateGroupCallParticipant() : updateGroupCallParticipant
• updateHavePendingNotifications() : updateHavePendingNotifications
• updateInstalledStickerSets() : updateInstalledStickerSets
• updateLanguagePackStrings() : updateLanguagePackStrings
• updateMessageContent() : updateMessageContent
• updateMessageContentOpened() : updateMessageContentOpened
• updateMessageEdited() : updateMessageEdited
• updateMessageFactCheck() : updateMessageFactCheck
• updateMessageInteractionInfo() : updateMessageInteractionInfo
• updateMessageIsPinned() : updateMessageIsPinned
• updateMessageLiveLocationViewed() : updateMessageLiveLocationViewed
• updateMessageMentionRead() : updateMessageMentionRead
• updateMessageReaction() : updateMessageReaction
• updateMessageReactions() : updateMessageReactions
• updateMessageSendAcknowledged() : updateMessageSendAcknowledged
• updateMessageSendFailed() : updateMessageSendFailed
• updateMessageSendSucceeded() : updateMessageSendSucceeded
• updateMessageUnreadReactions() : updateMessageUnreadReactions
• updateNewBusinessCallbackQuery() : updateNewBusinessCallbackQuery
• updateNewBusinessMessage() : updateNewBusinessMessage
• updateNewCallbackQuery() : updateNewCallbackQuery
• updateNewCallSignalingData() : updateNewCallSignalingData
• updateNewChat() : updateNewChat
• updateNewChatJoinRequest() : updateNewChatJoinRequest
• updateNewChosenInlineResult() : updateNewChosenInlineResult
• updateNewCustomEvent() : updateNewCustomEvent
• updateNewCustomQuery() : updateNewCustomQuery
• updateNewInlineCallbackQuery() : updateNewInlineCallbackQuery
• updateNewInlineQuery() : updateNewInlineQuery
• updateNewMessage() : updateNewMessage
• updateNewPreCheckoutQuery() : updateNewPreCheckoutQuery
• updateNewShippingQuery() : updateNewShippingQuery
• updateNotification() : updateNotification
• updateNotificationGroup() : updateNotificationGroup
• updateOption() : updateOption
• updateOwnedStarCount() : updateOwnedStarCount
• updatePaidMediaPurchased() : updatePaidMediaPurchased
• updatePoll() : updatePoll
• updatePollAnswer() : updatePollAnswer
• updateProfileAccentColors() : updateProfileAccentColors
• updateQuickReplyShortcut() : updateQuickReplyShortcut
• updateQuickReplyShortcutDeleted() : updateQuickReplyShortcutDeleted
• updateQuickReplyShortcutMessages() : updateQuickReplyShortcutMessages
• updateQuickReplyShortcuts() : updateQuickReplyShortcuts
• updateReactionNotificationSettings() : updateReactionNotificationSettings
• updateRecentStickers() : updateRecentStickers
• updates() : updates
• updates_ : updates
• updateSavedAnimations() : updateSavedAnimations
• updateSavedMessagesTags() : updateSavedMessagesTags
• updateSavedMessagesTopic() : updateSavedMessagesTopic
• updateSavedMessagesTopicCount() : updateSavedMessagesTopicCount
• updateSavedNotificationSounds() : updateSavedNotificationSounds
• updateScopeNotificationSettings() : updateScopeNotificationSettings
• updateSecretChat() : updateSecretChat
• updateServiceNotification() : updateServiceNotification
• updateSpeechRecognitionTrial() : updateSpeechRecognitionTrial
• updateSpeedLimitNotification() : updateSpeedLimitNotification
• updateStarRevenueStatus() : updateStarRevenueStatus
• updateStickerSet() : updateStickerSet
• updateStory() : updateStory
• updateStoryDeleted() : updateStoryDeleted
• updateStoryListChatCount() : updateStoryListChatCount
• updateStorySendFailed() : updateStorySendFailed
• updateStorySendSucceeded() : updateStorySendSucceeded
• updateStoryStealthMode() : updateStoryStealthMode
• updateSuggestedActions() : updateSuggestedActions
• updateSupergroup() : updateSupergroup
• updateSupergroupFullInfo() : updateSupergroupFullInfo
• updateTermsOfService() : updateTermsOfService
• updateTrendingStickerSets() : updateTrendingStickerSets
• updateUnconfirmedSession() : updateUnconfirmedSession
• updateUnreadChatCount() : updateUnreadChatCount
• updateUnreadMessageCount() : updateUnreadMessageCount
• updateUser() : updateUser
• updateUserFullInfo() : updateUserFullInfo
• updateUserPrivacySettingRules() : updateUserPrivacySettingRules
• updateUserStatus() : updateUserStatus
• updateVideoPublished() : updateVideoPublished
• updateWebAppMessageSent() : updateWebAppMessageSent
• upgradeBasicGroupChatToSupergroupChat() : upgradeBasicGroupChatToSupergroupChat
• upgraded_from_basic_group_id_ : supergroupFullInfo
• upgraded_from_max_message_id_ : supergroupFullInfo
• upgraded_to_supergroup_id_ : basicGroup
• uploaded_size_ : remoteFile
• uploadStickerFile() : uploadStickerFile
• url_ : answerCallbackQuery , authenticationCodeTypeFragment , bankCardActionOpenUrl , botMenuButton , callbackQueryAnswer , collectibleItemInfo , getChatBoostLinkInfo , getMessageLinkInfo , getWebAppUrl , getWebPageInstantView , httpUrl , inlineKeyboardButtonTypeLoginUrl , inlineKeyboardButtonTypeUrl , inlineKeyboardButtonTypeWebApp , inlineQueryResultArticle , inlineQueryResultsButtonTypeWebApp , inputInlineQueryResultArticle , inputStoryAreaTypeLink , internalLinkTypeAttachmentMenuBot , internalLinkTypeChatBoost , internalLinkTypeInstantView , internalLinkTypeMessage , keyboardButtonTypeWebApp , linkPreview , linkPreviewOptions , linkPreviewTypeEmbeddedAnimationPlayer , linkPreviewTypeEmbeddedAudioPlayer , linkPreviewTypeEmbeddedVideoPlayer , linkPreviewTypeExternalAudio , linkPreviewTypeExternalVideo , loginUrlInfoOpen , loginUrlInfoRequestConfirmation , mainWebApp , messageSponsor , openWebApp , pageBlockEmbedded , pageBlockEmbeddedPost , pageBlockPhoto , pageBlockRelatedArticle , paymentOption , paymentProviderOther , revenueWithdrawalStateSucceeded , richTextAnchorLink , richTextReference , richTextUrl , rtmpUrl , storyAreaTypeLink , textEntityTypeTextUrl , tMeUrl , userLink , webAppInfo
• urls_ : tMeUrls
• usd_rate_ : chatRevenueStatistics , starRevenueStatistics
• use_chat_info_database_ : setTdlibParameters
• use_date_ : premiumGiftCodeInfo
• use_default_disable_mention_notifications_ : chatNotificationSettings
• use_default_disable_pinned_message_notifications_ : chatNotificationSettings
• use_default_is_anonymous_ : addPendingPaidMessageReaction
• use_default_mute_for_ : chatNotificationSettings
• use_default_mute_stories_ : chatNotificationSettings , scopeNotificationSettings
• use_default_show_preview_ : chatNotificationSettings
• use_default_show_story_sender_ : chatNotificationSettings
• use_default_sound_ : chatNotificationSettings
• use_default_story_sound_ : chatNotificationSettings
• use_file_database_ : setTdlibParameters
• use_less_data_for_calls_ : autoDownloadSettings
• use_message_database_ : setTdlibParameters
• use_portrait_orientation_ : startGroupCallRecording
• use_secret_chats_ : setTdlibParameters
• use_test_dc_ : setTdlibParameters
• used_sender_id_ : messageReaction
• user() : user
• user_ : updateUser
• user_administrator_rights_ : keyboardButtonTypeRequestChat
• user_chat_id_ : businessConnection , updateNewChatJoinRequest
• user_country_code_ : giveawayParticipantStatusDisallowedCountry
• user_full_info_ : updateUserFullInfo
• user_id_ : addChatMember , addStickerToSet , botCommandScopeChatMember , businessConnection , call , canSendMessageToUser , chatAdministrator , chatBoostSourceGiftCode , chatBoostSourceGiveaway , chatBoostSourcePremium , chatEventMemberInvited , chatEventMemberPromoted , chatEventMemberSubscriptionExtended , chatInviteLinkCount , chatInviteLinkMember , chatJoinRequest , chatStatisticsAdministratorActionsInfo , chatStatisticsInviterInfo , chatStatisticsMessageSenderInfo , chatTypePrivate , chatTypeSecret , closeBirthdayUser , contact , createCall , createNewSecretChat , createNewStickerSet , createPrivateChat , failedToAddMember , gameHighScore , getGameHighScores , getGroupsInCommon , getInlineGameHighScores , getMenuButton , getStarGiftPaymentOptions , getUser , getUserChatBoosts , getUserFullInfo , getUserGifts , getUserProfilePhotos , getUserSupportInfo , inlineKeyboardButtonTypeUser , messageChatDeleteMember , messageSenderUser , messageViewer , premiumGiftCodeInfo , processChatJoinRequest , refundStarPayment , replaceStickerInSet , secretChat , sendGift , setGameScore , setInlineGameScore , setMenuButton , setPassportElementErrors , setStickerSetThumbnail , setUserPersonalProfilePhoto , setUserSupportInfo , sharedUser , sharePhoneNumber , starTransactionPartnerBot , starTransactionPartnerBusiness , starTransactionPartnerUser , storePaymentPurposeGiftedStars , suggestUserProfilePhoto , telegramPaymentPurposeGiftedStars , textEntityTypeMentionName , tMeUrlTypeUser , transferChatOwnership , updatePaidMediaPurchased , updateUserFullInfo , updateUserStatus , uploadStickerFile
• user_ids_ : addChatMembers , chatJoinRequestsInfo , createNewBasicGroupChat , foundUsers , getChatEventLog , importedContacts , inviteGroupCallParticipants , messageInviteVideoChatParticipants , removeContacts , setCloseFriends , storePaymentPurposePremiumGiftCodes , storyPrivacySettingsSelectedUsers , telegramPaymentPurposePremiumGiftCodes , userPrivacySettingRuleAllowUsers , userPrivacySettingRuleRestrictUsers , users
• user_is_bot_ : keyboardButtonTypeRequestUsers
• user_is_premium_ : keyboardButtonTypeRequestUsers
• user_location_ : getInlineQueryResults , updateNewChosenInlineResult , updateNewInlineQuery
• userFullInfo() : userFullInfo
• userGift() : userGift
• userGifts() : userGifts
• userLink() : userLink
• username_ : callServerTypeWebrtc , checkChatUsername , collectibleItemTypeUsername , pageBlockChatLink , proxyTypeHttp , proxyTypeSocks5 , searchPublicChat , setSupergroupUsername , setUsername , sharedChat , sharedUser , toggleBotUsernameIsActive , toggleSupergroupUsernameIsActive , toggleUsernameIsActive
• usernames() : usernames
• usernames_ : reorderActiveUsernames , reorderBotActiveUsernames , reorderSupergroupActiveUsernames , supergroup , user
• userPrivacySettingAllowCalls() : userPrivacySettingAllowCalls
• userPrivacySettingAllowChatInvites() : userPrivacySettingAllowChatInvites
• userPrivacySettingAllowFindingByPhoneNumber() : userPrivacySettingAllowFindingByPhoneNumber
• userPrivacySettingAllowPeerToPeerCalls() : userPrivacySettingAllowPeerToPeerCalls
• userPrivacySettingAllowPrivateVoiceAndVideoNoteMessages() : userPrivacySettingAllowPrivateVoiceAndVideoNoteMessages
• userPrivacySettingRuleAllowAll() : userPrivacySettingRuleAllowAll
• userPrivacySettingRuleAllowChatMembers() : userPrivacySettingRuleAllowChatMembers
• userPrivacySettingRuleAllowContacts() : userPrivacySettingRuleAllowContacts
• userPrivacySettingRuleAllowPremiumUsers() : userPrivacySettingRuleAllowPremiumUsers
• userPrivacySettingRuleAllowUsers() : userPrivacySettingRuleAllowUsers
• userPrivacySettingRuleRestrictAll() : userPrivacySettingRuleRestrictAll
• userPrivacySettingRuleRestrictChatMembers() : userPrivacySettingRuleRestrictChatMembers
• userPrivacySettingRuleRestrictContacts() : userPrivacySettingRuleRestrictContacts
• userPrivacySettingRuleRestrictUsers() : userPrivacySettingRuleRestrictUsers
• userPrivacySettingRules() : userPrivacySettingRules
• userPrivacySettingShowBio() : userPrivacySettingShowBio
• userPrivacySettingShowBirthdate() : userPrivacySettingShowBirthdate
• userPrivacySettingShowLinkInForwardedMessages() : userPrivacySettingShowLinkInForwardedMessages
• userPrivacySettingShowPhoneNumber() : userPrivacySettingShowPhoneNumber
• userPrivacySettingShowProfilePhoto() : userPrivacySettingShowProfilePhoto
• userPrivacySettingShowStatus() : userPrivacySettingShowStatus
• users() : users
• users_ : messageUsersShared
• userStatusEmpty() : userStatusEmpty
• userStatusLastMonth() : userStatusLastMonth
• userStatusLastWeek() : userStatusLastWeek
• userStatusOffline() : userStatusOffline
• userStatusOnline() : userStatusOnline
• userStatusRecently() : userStatusRecently
• userSupportInfo() : userSupportInfo
• userTransactionPurposeGiftedStars() : userTransactionPurposeGiftedStars
• userTransactionPurposeGiftSell() : userTransactionPurposeGiftSell
• userTransactionPurposeGiftSend() : userTransactionPurposeGiftSend
• userTypeBot() : userTypeBot
• userTypeDeleted() : userTypeDeleted
• userTypeRegular() : userTypeRegular
• userTypeUnknown() : userTypeUnknown
• utc_time_offset_ : timeZone
• utility_bill_ : inputPassportElementUtilityBill , passportElementUtilityBill