Send due-date reminders from Google Sheets with Gmail and Slack
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This workflow has 7 nodes and runs on a schedule (every day at 07:00). Along the way it connects Google Sheets, Gmail and Slack.
How it runs
Trigger: On a schedule (every day at 07:00).
- Read Items (Google Sheets): uses Google Sheets
- Compute Due Reminders (Code): runs custom JavaScript code
- Send Reminder Email (Gmail): send (message)
- Is Overdue? (If): checks a condition and branches into true / false
- Escalate Overdue (Slack): post (message)
- Mark Notified (Google Sheets): append or update (sheet)
Services it uses
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (6)
- Schedule Trigger
n8n-nodes-base.scheduleTrigger - Google Sheets
n8n-nodes-base.googleSheets - Code
n8n-nodes-base.code - Gmail
n8n-nodes-base.gmail - If
n8n-nodes-base.if - Slack
n8n-nodes-base.slack
From the author
Quick Overview This workflow runs daily, reads deadline rows from Google Sheets, and sends due-soon, due-today, or overdue reminder emails via Gmail, escalating overdue items to Slack and updating the sheet to prevent duplicate reminders. How it works 1. Runs…