--- title: messages.affectedHistory description: Affected part of communication history with the user or in a chat. image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png redirect_from: /API_docs/constructors/messages_affectedHistory.html --- # Constructor: messages.affectedHistory [Back to constructors index](index.md) Affected part of communication history with the user or in a chat. ### Attributes: | Name | Type | Required | Description | |----------|---------------|----------|-------------| |pts|[int](../types/int.md) | Yes|Number of events occured in a text box| |pts\_count|[int](../types/int.md) | Yes|Number of affected events| |offset|[int](../types/int.md) | Yes|If a parameter contains positive value, it is necessary to repeat the method call using the given value; during the proceeding of all the history the value itself shall gradually decrease| ### Type: [messages.AffectedHistory](../types/messages.AffectedHistory.md) ### Example: ```php $messages.affectedHistory = ['_' => 'messages.affectedHistory', 'pts' => int, 'pts_count' => int, 'offset' => int]; ``` Or, if you're into Lua: ```lua messages.affectedHistory={_='messages.affectedHistory', pts=int, pts_count=int, offset=int} ```