Rescue at-risk appointments with two-hour WhatsApp and Google Sheets check-ins

by Vlotstroom ✓ · 0 views · created 2026-10-05 · Support Chatbot, AI Summarization

What this workflow does

This workflow has 14 nodes and runs on a schedule (every hour). It uses only n8n's built-in nodes.

How it runs

Trigger: On a schedule (every hour).

1. Appointments (demo data) (Code): runs custom JavaScript code
2. Prepare + validate rows (Code): runs custom JavaScript code
3. Row valid? (If): checks a condition and branches into true / false
4. In T-2h window? (If): checks a condition and branches into true / false
5. Log invalid rows (Code): runs custom JavaScript code
6. Already checked in? (Code): runs custom JavaScript code
7. Skip (not due) (Code): runs custom JavaScript code
8. Send check-in (replace me) (Code): runs custom JavaScript code
9. Wait: pauses until webhook
10. Classify reply (Code): runs custom JavaScript code

…plus 3 more steps. See the full node list below.

Before you upgrade to n8n 3.0

Nodes used (4)

• Schedule Triggern8n-nodes-base.scheduleTrigger
• Coden8n-nodes-base.code
• Waitn8n-nodes-base.wait
• Ifn8n-nodes-base.if

From the author

Quick overview This workflow runs every hour to rescue at-risk appointments: it validates every row, sends one WhatsApp check-in to each unconfirmed customer starting in 90-150 minutes, waits for the reply, classifies it, and routes confirmed replies to your…

View the original on n8n.io → Check your own copy