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

A

B

C

D

E

F

G

H

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J

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N

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P

Q

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- f -

• fact_check_ : message, updateMessageFactCheck
• failed_to_add_members_ : createdBasicGroupChat, failedToAddMembers
• fallback_url_ : internalLinkTypeInstantView
• favicon_custom_emoji_id_ : webDomainException
• feature_ : businessFeaturePromotionAnimation, premiumFeaturePromotionAnimation, premiumSourceBusinessFeature, premiumSourceFeature, premiumSourceStoryFeature, viewPremiumFeature
• features_ : businessFeatures, chatBoostFeatures, premiumFeatures
• feedback_link_ : webPageInstantView
• few_value_ : languagePackStringValuePluralized
• field_name_ : inputPassportElementErrorSourceDataField, passportElementErrorSourceDataField
• file_ : animatedChatPhoto, datedFile, preliminaryUploadFile, thumbnail, updateFile
• file_count_ : storageStatisticsFast
• file_download_ : updateFileAddedToDownloads
• file_hash_ : inputPassportElementErrorSourceFile, inputPassportElementErrorSourceFrontSide, inputPassportElementErrorSourceReverseSide, inputPassportElementErrorSourceSelfie, inputPassportElementErrorSourceTranslationFile
• file_hashes_ : inputPassportElementErrorSourceFiles, inputPassportElementErrorSourceTranslationFiles
• file_id_ : addFileToDownloads, cancelDownloadFile, cancelPreliminaryUploadFile, deleteFile, downloadFile, editBotMediaPreview, fileDownload, getAttachedStickerSets, getFile, getFileDownloadedPrefixSize, getSuggestedFileName, isProfileAudio, readFilePart, removeFileFromDownloads, removeProfileAudio, reportChatPhoto, setProfileAudioPosition, toggleDownloadIsPaused, updateFileDownload, updateFileRemovedFromDownloads
• file_ids_ : deleteBotMediaPreviews, reorderBotMediaPreviews
• file_index_ : passportElementErrorSourceFile, passportElementErrorSourceTranslationFile
• file_name_ : animation, audio, checkWebAppFileDownload, cleanFileName, document, getFileMimeType, video
• file_path_ : draftMessageContentVideoNote, draftMessageContentVoiceNote
• file_type_ : getRemoteFile, networkStatisticsEntryFile, preliminaryUploadFile, storageStatisticsByFileType
• file_types_ : optimizeStorage
• files_ : encryptedPassportElement, foundFileDownloads, inputPersonalDocument, personalDocument
• files_directory_ : setTdlibParameters
• files_size_ : storageStatisticsFast
• fill_ : backgroundTypeFill, backgroundTypePattern
• filter_ : getChatMessageCalendar, getChatMessageCount, getChatMessagePosition, getChatSparseMessagePositions, getSupergroupMembers, searchChatMembers, searchChatMessages, searchMessages, searchSecretMessages
• filters_ : getChatEventLog
• final_state_ : messageDice, messageStakeDice
• firebase_authentication_settings_ : phoneNumberAuthenticationSettings
• first_color_ : groupCallMessageLevel
• first_letter_ : authenticationCodeTypeSmsWord
• first_message_ : quickReplyShortcut
• first_name_ : contact, importedContact, personalDetails, registerUser, setBusinessAccountName, setName, sharedUser, user
• first_profile_audio_ : userFullInfo
• first_send_date_ : gift
• first_word_ : authenticationCodeTypeSmsPhrase
• fitzpatrick_type_ : animatedEmoji
• flag_emoji_ : countryInfo
• folder_ : createChatFolder, editChatFolder, getChatFolderChatCount, getChatFolderDefaultIconName, recommendedChatFolder
• footer_ : inputPageBlockFooter, pageBlockFooter
• for_album_ : getMessageEmbeddingCode, getMessageLink, messageLinkInfo
• for_animated_emoji_ : getStickerOutline, getStickerOutlineSvgPath
• for_clicked_animated_emoji_message_ : getStickerOutline, getStickerOutlineSvgPath
• for_crafting_ : searchGiftsForResale
• for_dark_theme_ : deleteDefaultBackground, getInstalledBackgrounds, setDefaultBackground, updateDefaultBackground
• for_import_ : createNewSupergroupChat
• for_stars_ : searchGiftsForResale
• force_ : createBasicGroupChat, createPrivateChat, createSupergroupChat, setGameScore, setInlineGameScore
• force_large_media_ : linkPreviewOptions
• force_quiz_ : keyboardButtonTypeRequestPoll
• force_read_ : viewMessages
• force_regular_ : keyboardButtonTypeRequestPoll
• force_small_media_ : linkPreviewOptions
• form_id_ : chatInviteLinkSubscriptionInfo
• format_ : newSticker, setStickerSetThumbnail, sticker, thumbnail
• formatted_phone_number_ : phoneNumberInfo
• formatting_type_ : richTextDateTime, textEntityTypeDateTime
• forum_changes_ : chatEventLogFilters
• forum_topic_id_ : deleteForumTopic, editForumTopic, forumTopicInfo, getForumTopic, getForumTopicHistory, getForumTopicLink, messageTopicForum, readAllForumTopicMentions, readAllForumTopicPollVotes, readAllForumTopicReactions, sendRichMessageDraft, sendTextMessageDraft, setForumTopicNotificationSettings, toggleForumTopicIsClosed, toggleForumTopicIsPinned, unpinAllForumTopicMessages, updateForumTopic, updatePendingMessage
• forum_topic_ids_ : setPinnedForumTopics
• forward_count_ : chatStatisticsInteractionInfo, messageInteractionInfo, storyInteractionInfo
• forward_info_ : message
• forward_limit_ : addChatMember
• forward_text_ : inlineKeyboardButtonTypeLoginUrl
• forwards_ : publicForwards
• fragment_listed_gift_count_ : upgradedGiftValueInfo
• fragment_listed_item_count_ : auctionStateFinished
• fragment_url_ : auctionStateFinished, upgradedGiftValueInfo
• freezing_date_ : updateFreezeState
• from_app_ : oauthLinkInfo
• from_background_ : messageSendOptions
• from_cache_ : updateDeleteMessages
• from_chat_id_ : forwardMessages, inputMessageForwarded
• from_event_id_ : getChatEventLog
• from_fullscreen_ : clickChatSponsoredMessage
• from_message_id_ : getChatHistory, getChatMessageCalendar, getChatSparseMessagePositions, getDirectMessagesChatTopicHistory, getForumTopicHistory, getMessageThreadHistory, getSavedMessagesTopicHistory, searchChatMessages, searchSavedMessages
• from_story_full_id_ : postStory
• from_story_id_ : getChatArchivedStories, getChatPostedToChatPageStories
• from_user_id_ : messageChatSetMessageAutoDeleteTime
• front_side_ : encryptedPassportElement, identityDocument, inputIdentityDocument
• full_type_ : sticker
• function : Client::Request