channels.togglePreHistoryHidden

Hide/unhide message history for new channel/supergroup users

Example

Javascript

const {Api, TelegramClient} = require('telegram');
const {StringSession} = require('telegram/sessions');

const session = new StringSession('');
const client = new TelegramClient(session, apiId, apiHash, {});

(async function run() {
    const result = await client.invoke(new Api.channels.togglePreHistoryHidden({
        channel: new Api.InputChannel({...}),
        enabled: new Api.Bool({...}),
        }));
    console.log(result); // prints the result
})();

TypeScript

import {Api, TelegramClient} from 'telegram';
import {StringSession} from 'telegram/sessions';

const session = new StringSession('');
const client = new TelegramClient(session, apiId, apiHash, {});

(async function run() {
    const result: Api.Updates = await client.invoke(new Api.channels.togglePreHistoryHidden({
        channel: new Api.InputChannel({...}),
        enabled: new Api.Bool({...}),
        }));
    console.log(result); // prints the result
})();

TL schema

updatesTooLong#e317af7e = Updates;
updateShortMessage#2296d2c8 flags:# out:flags.1?true mentioned:flags.4?true media_unread:flags.5?true silent:flags.13?true id:int user_id:int message:string pts:int pts_count:int date:int fwd_from:flags.2?MessageFwdHeader via_bot_id:flags.11?int reply_to:flags.3?MessageReplyHeader entities:flags.7?Vector<MessageEntity> = Updates;
updateShortChatMessage#402d5dbb flags:# out:flags.1?true mentioned:flags.4?true media_unread:flags.5?true silent:flags.13?true id:int from_id:int chat_id:int message:string pts:int pts_count:int date:int fwd_from:flags.2?MessageFwdHeader via_bot_id:flags.11?int reply_to:flags.3?MessageReplyHeader entities:flags.7?Vector<MessageEntity> = Updates;
updateShort#78d4dec1 update:Update date:int = Updates;
updatesCombined#725b04c3 updates:Vector<Update> users:Vector<User> chats:Vector<Chat> date:int seq_start:int seq:int = Updates;
updates#74ae4240 updates:Vector<Update> users:Vector<User> chats:Vector<Chat> date:int seq:int = Updates;
updateShortSentMessage#11f1331c flags:# out:flags.1?true id:int pts:int pts_count:int date:int media:flags.9?MessageMedia entities:flags.7?Vector<MessageEntity> = Updates;
---functions---
channels.togglePreHistoryHidden#eabbb94c channel:InputChannel enabled:Bool = Updates;

Parameters

Name	Type	Description
channel	InputChannel	Channel/supergroup
enabled	Bool	Hide/unhide

Result

Updates

Possible errors

Code	Type	Description
400	CHANNEL_INVALID	The provided channel is invalid
400	CHANNEL_PRIVATE	You haven't joined this channel/supergroup
400	CHAT_ADMIN_REQUIRED	You must be an admin in this chat to do this
400	CHAT_ID_INVALID	The provided chat id is invalid
400	CHAT_LINK_EXISTS	The chat is public, you can't hide the history to new users
400	CHAT_NOT_MODIFIED	The pinned message wasn't modified

Can bots use this methd ?

yes

Related pages