The specified channel/supergroup messages were read
updateChannelReadMessagesContents#ea29055d flags:# channel_id:long top_msg_id:flags.0?int messages:Vector<int> = Update;
|flags||#||Flags, see TL conditional fields|
|top_msg_id||flags.0?int||Forum topic ID.|
|messages||Vector<int>||IDs of messages that were read|
How to handle channels, supergroups, gigagroups, basic groups, and what's the difference between them.
Telegram allows creating forums with multiple distinct topics.