Unable to work coediting from onlyoffice

Docs API
1

i trying to co-editing with two users, but not working .
one after one its working .could you please give me solution
Thank you

2

Hello,

Please read these articles:
https://api.onlyoffice.com/editors/troubleshooting#coedit
https://api.onlyoffice.com/editors/coedit

3

I am using different key but not working . Sharing option not getting

4

For co-editing to function correctly, you need to set the same document.key in editor configs of all users. Please read the articles thoroughly.

5

using same key for all users but not working co-editing

6

Please install one of our integration examples and connect your Document Server to it:
https://api.onlyoffice.com/editors/demopreview
With this example, you can learn how to handle document keys for co-editing.