```javascript
WXAPI.pingtuanJoinUsers(tuanId)
```
+ tuanId group id (note that it is not the group id set, but the group id returned to you after the group starts)
```json
{
"code": 0,
"data": [
{
"apiExtUserHelp": {
"avatarUrl": "https://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTIqqIzbIXdONjn5yTCtJU6ONiaR6WtFTibXbFibKBHLjPnsq2Dd4hG1UcERbqTM5yvrVZotiboB10MRzw/132",
"nick": "雷子"
},
"dateAdd": "2022-01-03 11:38:40",
"uidHelp": 2017654
}
],
"msg": "success"
}
```
+ uidHelp Participating user ID
+ apiExtUserHelp group user information
- avatarUrl avatar
- nick nickname