Add webinar registrants to masterclass nurture mailing list

Your webinar registrations aren't added to email lists, causing missed confirmations and outreach gaps. Adds registrants to the masterclass list so coordinators can begin nurture within minutes.

Overview

When webinar signups fail to land in your mailing lists, you miss early nurture windows and confirmations. This flow turns every registrant into a subscriber in the masterclass segment so coordinators can send targeted nurture within minutes.