--- title: updateReadChannelOutbox description: Outgoing messages in a [channel/supergroup](https://core.telegram.org/api/channel) were read image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png --- # Constructor: updateReadChannelOutbox [Back to constructors index](index.md) Outgoing messages in a [channel/supergroup](https://core.telegram.org/api/channel) were read ### Attributes: | Name | Type | Required | Description | |----------|---------------|----------|-------------| |channel\_id|[int](../types/int.md) | Yes|Channel/supergroup ID| |max\_id|[int](../types/int.md) | Yes|Position up to which all outgoing messages are read.| ### Type: [Update](../types/Update.md) ### Example: ```php $updateReadChannelOutbox = ['_' => 'updateReadChannelOutbox', 'channel_id' => int, 'max_id' => int]; ``` Or, if you're into Lua: ```lua updateReadChannelOutbox={_='updateReadChannelOutbox', channel_id=int, max_id=int} ```