TIMGroupTopicChangedCallback
Introduction
group topic changed callback
Returned template
TIMGroupTopicChangedCallback = void Function(group_id: string, topic_info: string, user_data: string)
Return value details
| name | type | description |
|---|---|---|
| group_id | string | group ID |
| topic_info | string | topic information |
| user_data | any | User-defined data transfered by ImSDK without any processing |