Add new registration rows to event mailing list

Your registration rows in Sheets aren't synced to the event list, causing outreach gaps and attendee confusion. Adding those rows to the event list keeps attendees informed before the event.

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Overview

When spreadsheet signups don't reach your email system, outreach windows shrink and attendees miss important instructions. This flow routes updated registration rows into your event contact list so coordinators can send confirmations within minutes and avoid last-minute chaos.