Methods

api.getChatSparseMessagePositions()

Returns sparse positions of messages of the specified type in the chat to be used for shared media scroll implementation. Returns the results in reverse chronological order (i.e., in order of decreasing message_id). Cannot be used in secret chats or with searchMessagesFilterFailedToSend filter without an enabled message database

Parameters GetChatSparseMessagePositionsParams:

Parameters

Interface

Name	Type	Description
`chatId`	`number`	Identifier of the chat in which to return information about message positions
`filter`	SearchMessagesFilterInputUnion	Filter for message content. Filters searchMessagesFilterEmpty, searchMessagesFilterMention and searchMessagesFilterUnreadMention are unsupported in this function
`fromMessageId`	`number`	The message identifier from which to return information about message positions
`limit`	`number`	The expected number of message positions to be returned; 50-2000. A smaller number of positions can be returned, if there are not enough appropriate messages

Returns ApiResponse interface:

interface ApiResponse {
  _: 'getChatSparseMessagePositions' | 'error'
  airgram: Airgram
  request: {
    method: 'getChatSparseMessagePositions'
    params: GetChatSparseMessagePositionsParams
  }
  response: MessagePositionsUnion
 | Error
  setState: (nextState: Record<string, unknown>) => void
  getState: () => Record<string, unknown>
}