The following are also required:
1) Import the module alongside WebViewer
2) After initializing WebViewer, create a new instance of the client
subscriptionUrl are the URLs where the server is running. These values are logged by the server when it first starts.
For a full list of constructor options, please see the collab client API reference.
If you are using React to build your application, we suggest using the React bindings to help you manage your UI's state.