# wx.onVoIPChatMembersChanged(function callback)
Start from base library version 2.7.0. Please remaining backward compatible.
Listens on the event of member status change in a real-time voice chat. This API is called back when a member joins/exists the voice chat.
# function callback
The callback function for the event of member status change in a real-time voice chat.
# Object res
|openIdList||Array.<String>||The list of openIds of members in the real-time voice chat|