A forum topic was pinned or unpinned
Constructor schema is available as of layer 148. Switch ยป| Name | Type | Description |
|---|---|---|
| flags | # | Flags, see TL conditional fields |
| prev_topic | flags.0?ForumTopic | Previous topic information |
| new_topic | flags.1?ForumTopic | New topic information |
Telegram allows creating forums with multiple distinct topics.