Send certification expiry alerts from Google Sheets with Gmail
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 8 nodes and runs on a schedule (cron 0 8 * * 1). Along the way it connects Google Sheets and Gmail.
How it runs
Trigger: On a schedule (cron 0 8 * * 1).
- Configure (Edit Fields (Set)): sets 3 fields: sheetUrl, managerEmail, expiryThreshold
- Read Agent Roster (Google Sheets): read (sheet)
- Calculate Days Until Expiry (Edit Fields (Set)): sets 1 field: daysUntilExpiry
- Filter: keeps only the items that match a condition
- Build Alert Line (Edit Fields (Set)): sets 1 field: alertRow
- Aggregate: combines items into one
- Send Alert Email (Gmail): send (message)
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 - Edit Fields (Set)
n8n-nodes-base.set - Google Sheets
n8n-nodes-base.googleSheets - Filter
n8n-nodes-base.filter - Aggregate
n8n-nodes-base.aggregate - Gmail
n8n-nodes-base.gmail
From the author
Quick overview This workflow runs every Monday at 08:00 to read a Google Sheets roster, calculate days until each agent’s certification expiry date, and send a consolidated HTML alert email via Gmail to the configured manager when certifications expire within…