Templates / Track fitness class attendance and retention with Google Sheets, gpt-5.6-terra, Gmail, and Discord

Track fitness class attendance and retention with Google Sheets, gpt-5.6-terra, Gmail, and Discord

Ready for 3.0

by Khairul Muhtadin ✓ · 3 views · created 2026-08-27 · Lead Nurturing, AI Summarization

Ready 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 AI workflow has 32 nodes and runs when an HTTP POST request hits its webhook URL (plus 1 other trigger). Along the way it connects Google Sheets, OpenAI Chat Model, Gmail and Discord.

How it runs

Trigger: When an HTTP POST request hits its webhook URL (plus 1 other trigger).

  1. Normalize Check-in (Edit Fields (Set)): sets 7 fields: checkin_id, member_id, class_name…
  2. Read Attendance for Report (Google Sheets): uses Google Sheets
  3. Validate Check-in Input (If): checks a condition and branches into true / false
  4. Read Roster for Report (Google Sheets): uses Google Sheets
  5. Read Member Roster (Google Sheets): uses Google Sheets
  6. Build Invalid Entry Alert (Edit Fields (Set)): sets 3 fields: member_id, class_name, received_at
  7. Compute Weekly Stats (Code): runs custom JavaScript code
  8. Match Member by ID (Code): runs custom JavaScript code
  9. Alert Invalid on Discord (Discord): work with message
  10. AI Write Weekly Insight (AI Agent): runs an AI agent, with model: Insight Model

…plus 18 more steps. See the full node list below.

Services it uses

Google SheetsOpenAI Chat ModelGmailDiscord

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 (10)

From the author

Know exactly who showed up, who is drifting away, and what to do about it. This workflow captures fitness class check-ins via webhook, matches members in Google Sheets, has AI label engagement and draft a personal message, logs everything, emails members, and…

Excerpt from Khairul Muhtadin's description on n8n.io.

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

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