Data storage

The VivoChat widget uses the browser’s localStorage to store the chat state and user data.

What data is stored

Key	Description	Retention period
<WIDGET_ID>_vivoClientId	Anonymous customer identifier for restoring dialog history. <WIDGET_ID> is substituted automatically to isolate data between different widgets on the same domain.	Until localStorage is cleared or the token is changed via setUserToken()
vivoUserToken	User token from setUserToken(). Used to verify the customer when starting a session.	Until setUserToken(null) is called or localStorage is cleared
vivoOpenState	Chat window state: open or closed. Used to synchronize between browser tabs.	Until onUnmount() is called
vivoIsNotFirstOpen	Flag for the first opening of the widget. Used to synchronize state between tabs.	Until localStorage is cleared
vivoUnreadCount	Number of unread messages. Used to display the badge and the message counter.	Until localStorage is cleared