# GroupCallStreamChannel

Info about an RTMP stream in a group call or livestream

```tl
groupCallStreamChannel#80eb48af channel:int scale:int last_timestamp_ms:long = GroupCallStreamChannel;
```

### Constructors

| Constructor | Description |
| --- | --- |
| [groupCallStreamChannel](/constructor/groupCallStreamChannel.md) | Describes an available RTMP stream channel and its current playback timestamp, see [playing an RTMP livestream »](/api/group-calls.md#rtmp-mode)