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Use PostHog cohorts and events to trigger handwritten follow-up
PostHog events, cohorts, or syncs can decide who gets handwritten mail, while QR scans return offline engagement for attribution.
Use PostHog events, cohorts, and synced audiences as the logic layer for who should receive handwritten mail.

person enters a cohort or event threshold
Add recipient to Scribeless campaign
Capture QR scan events inside PostHog so offline engagement flows into attribution, audiences, and downstream destinations.
QR code scanned

capture QR scan events for attribution
Connect PostHog and Scribeless to use behavioral data, warehouse syncs, or audience logic as the decision layer for handwritten mail. Trigger sends when a person enters a cohort or crosses an event threshold, then return QR scan engagement to PostHog to capture QR scan events for attribution, so offline direct mail becomes another measurable signal in your attribution and activation stack.

Trigger
High-intent event -> send handwritten follow-up

Trigger
Audience sync -> add recipients automatically

Trigger
Warehouse flag -> trigger direct mail

Trigger
High-value audience -> trigger handwritten campaign

Action
QR scan -> track event for attribution

Action
QR scan -> build audience for retargeting

Action
QR scan -> sync engagement to warehouse

Action
QR scan -> add person to engaged cohort
Trigger handwritten mail from product signals

