-`data-open-on-load` — Once loaded, open the chat as default. It can still be closed by the user.
-`data-open-on-load` — Once loaded, open the chat as default. It can still be closed by the user. To enable set this attribute to `on`. All other values will be ignored.
-`data-support-email` — Shows a support email that the user can used to draft an email via the "three dot" menu in the top right. Option will not appear if it is not set.