--- title: updates.getChannelDifference description: You cannot use this method directly, see https://docs.madelineproto.xyz for more info on handling updates image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png --- # Method: updates.getChannelDifference [Back to methods index](index.md) You cannot use this method directly, see https://docs.madelineproto.xyz for more info on handling updates ### Parameters: | Name | Type | Description | Required | |----------|---------------|-------------|----------| |force|[Bool](../types/Bool.md) | You cannot use this method directly, see https://docs.madelineproto.xyz for more info on handling updates | Optional| |channel|[Username, chat ID, Update, Message or InputChannel](../types/InputChannel.md) | You cannot use this method directly, see https://docs.madelineproto.xyz for more info on handling updates | Optional| |filter|[ChannelMessagesFilter](../types/ChannelMessagesFilter.md) | You cannot use this method directly, see https://docs.madelineproto.xyz for more info on handling updates | Optional| |pts|[int](../types/int.md) | You cannot use this method directly, see https://docs.madelineproto.xyz for more info on handling updates | Yes| |limit|[int](../types/int.md) | You cannot use this method directly, see https://docs.madelineproto.xyz for more info on handling updates | Yes| ### Return type: [updates\_ChannelDifference](../types/updates_ChannelDifference.md) ### Can bots use this method: **YES** ### MadelineProto Example ([now async for huge speed and parallelism!](https://docs.madelineproto.xyz/docs/ASYNC.html)): ```php if (!file_exists('madeline.php')) { copy('https://phar.madelineproto.xyz/madeline.php', 'madeline.php'); } include 'madeline.php'; $MadelineProto = new \danog\MadelineProto\API('session.madeline'); $MadelineProto->start(); $updates_ChannelDifference = $MadelineProto->updates->getChannelDifference(['force' => Bool, 'channel' => InputChannel, 'filter' => ChannelMessagesFilter, 'pts' => int, 'limit' => int, ]); ``` Or, if you're into Lua: ```lua updates_ChannelDifference = updates.getChannelDifference({force=Bool, channel=InputChannel, filter=ChannelMessagesFilter, pts=int, limit=int, }) ``` ### Errors | Code | Type | Description | |------|----------|---------------| |400|CHANNEL_INVALID|The provided channel is invalid| |400|CHANNEL_PRIVATE|You haven't joined this channel/supergroup| |400|FROM_MESSAGE_BOT_DISABLED|Bots can't use fromMessage min constructors| |400|PERSISTENT_TIMESTAMP_EMPTY|Persistent timestamp empty| |400|PERSISTENT_TIMESTAMP_INVALID|Persistent timestamp invalid| |400|PINNED_DIALOGS_TOO_MUCH|| |400|RANGES_INVALID|Invalid range provided| |406|AUTH_KEY_DUPLICATED|An auth key with the same ID was already generated| |403|CHANNEL_PUBLIC_GROUP_NA|channel/supergroup not available| |-503|Timeout|Timeout while fetching data|