Reconcile the Newsletter rows to an email-provider audience: a subscribed row is upserted, an unsubscribed row is removed. Drives the audience from your DB (the source of truth), so the two never drift. Returns the tally.
Newsletter
subscribed
unsubscribed
Reconcile the
Newsletterrows to an email-provider audience: asubscribedrow is upserted, anunsubscribedrow is removed. Drives the audience from your DB (the source of truth), so the two never drift. Returns the tally.