You should have a Talk JS account for the purpose. (Free or Premium).
Now, you have to set App ID and Secret Key at WCFM Chat Box setting panel.
![](https://h7j7p1zzlnf3ejiqd3k68ivc-wpengine.netdna-ssl.com/wp-content/uploads/2018/11/wcfm_talkjs.png)
You just have register at Talk JS site to get your App ID and Secret Key.
For this, kindly go to -> WCFM Admin Dashboard -> Setting -> Chat Box -> Choose “TalkJS” as Chat module and set APP details.
![](https://h7j7p1zzlnf3ejiqd3k68ivc-wpengine.netdna-ssl.com/wp-content/uploads/2018/11/wcfm_chatbox_talkjs_setting.png)