Update

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API

Output types

Contains notifications about data changes.

The UpdateUnion type represents one of the following types:

AuthorizationState

NewMessage

MessageSendAcknowledged

MessageSendSucceeded

MessageSendFailed

MessageContent

MessageEdited

MessageIsPinned

MessageInteractionInfo

MessageContentOpened

MessageMentionRead

MessageLiveLocationViewed

NewChat

ChatTitle

ChatPhoto

ChatPermissions

ChatLastMessage

ChatPosition

ChatReadInbox

ChatReadOutbox

ChatActionBar

ChatDraftMessage

ChatMessageSender

ChatMessageTtl

ChatNotificationSettings

ChatPendingJoinRequests

ChatReplyMarkup

ChatTheme

ChatUnreadMentionCount

ChatVideoChat

ChatDefaultDisableNotification

ChatHasProtectedContent

ChatHasScheduledMessages

ChatIsBlocked

ChatIsMarkedAsUnread

ChatFilters

ChatOnlineMemberCount

ScopeNotificationSettings

Notification

NotificationGroup

ActiveNotifications

HavePendingNotifications

DeleteMessages

ChatAction

UserStatus

User

BasicGroup

Supergroup

SecretChat

UserFullInfo

BasicGroupFullInfo

SupergroupFullInfo

ServiceNotification

File

FileGenerationStart

FileGenerationStop

Call

GroupCall

GroupCallParticipant

NewCallSignalingData

UserPrivacySettingRules

UnreadMessageCount

UnreadChatCount

Option

StickerSet

InstalledStickerSets

TrendingStickerSets

RecentStickers

FavoriteStickers

SavedAnimations

SelectedBackground

ChatThemes

LanguagePackStrings

ConnectionState

TermsOfService

UsersNearby

DiceEmojis

AnimatedEmojiMessageClicked

AnimationSearchParameters

SuggestedActions

NewInlineQuery

NewChosenInlineResult

NewCallbackQuery

NewInlineCallbackQuery

NewShippingQuery

NewPreCheckoutQuery

NewCustomEvent

NewCustomQuery

Poll

PollAnswer

ChatMember

NewChatJoinRequest

`UpdateChatLastMessage`

The last message of a chat was changed. If last_message is null, then the last message in the chat became unknown. Some new unknown messages might be added to the chat in this case.

Parameters

Interface

Name	Type	Description
`_`	`"updateChatLastMessage"`
`chatId`	`number`	Chat identifier
`lastMessage`	Message	The new last message in the chat; may be null
`positions`	ChatPosition[]	The new chat positions in the chat lists