Syntax:

<supercast-connect></supercast-connect>

Attributes:

subscription-identifier (optional) - If your subscription was created via the API, and you provided an external ID, you can reference it here to identify the correct user. If your users signed up through Supercast, you will need to identify them first with Supercast.startLogin() or Supercast.login() before loading this element.
subdomain (optional) - If you want to show player links for a particular podcast in a multi-show account, you can provide a subdomain to list only records for that subdomain.