updates.getChannelDifference

Returns the difference between the current state of updates of a certain channel and transmitted.

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.updates.getChannelDifference({
        force: true,
        channel: new Api.InputChannel({...}),
        filter: new Api.ChannelMessagesFilter({...}),
        pts: 9497495,
        limit: 7516490,
        }));
    console.log(result); // prints the result
})();

TypeScript

TL schema

updates.channelDifferenceEmpty#3e11affb flags:# final:flags.0?true pts:int timeout:flags.1?int = updates.ChannelDifference;
updates.channelDifferenceTooLong#a4bcc6fe flags:# final:flags.0?true timeout:flags.1?int dialog:Dialog messages:Vector<Message> chats:Vector<Chat> users:Vector<User> = updates.ChannelDifference;
updates.channelDifference#2064674e flags:# final:flags.0?true pts:int timeout:flags.1?int new_messages:Vector<Message> other_updates:Vector<Update> chats:Vector<Chat> users:Vector<User> = updates.ChannelDifference;
---functions---
updates.getChannelDifference#3173d78 flags:# force:flags.0?true channel:InputChannel filter:ChannelMessagesFilter pts:int limit:int = updates.ChannelDifference;

Parameters

Name	Type	Description
flags	#	Flags, see TL conditional fields
force	flags.0?true	Set to true to skip some possibly unneeded updates and reduce server-side load
channel	InputChannel	The channel
filter	ChannelMessagesFilter	Messsage filter
pts	int	Persistent timestamp (see updates)
limit	int	How many updates to fetch, max 100000

Ordinary (non-bot) users are supposed to pass 10-100|

Result

updates.ChannelDifference

Possible errors

Code	Type	Description
400	CHANNEL_INVALID	The provided channel is invalid
400	CHANNEL_PRIVATE	You haven't joined this channel/supergroup
403	CHANNEL_PUBLIC_GROUP_NA	channel/supergroup not available
400	FROM_MESSAGE_BOT_DISABLED	Bots can't use fromMessage min constructors
400	MSG_ID_INVALID	Invalid message ID provided
400	PERSISTENT_TIMESTAMP_EMPTY	Persistent timestamp empty
400	PERSISTENT_TIMESTAMP_INVALID	Persistent timestamp invalid
400	PINNED_DIALOGS_TOO_MUCH	Too many pinned dialogs
400	RANGES_INVALID	Invalid range provided

Can bots use this methd ?

yes

Related pages

Working with Updates

How to subscribe to updates and handle them properly.