Automate customer feedback classification with AI, Google Sheets, and Slack alerts
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 AI workflow has 9 nodes and runs on Gmail events (plus 1 other trigger). Along the way it connects Google Gemini Chat Model, Gmail, Slack and Google Sheets.
How it runs
Trigger: On Gmail events (plus 1 other trigger).
- Extract details (Code): runs custom JavaScript code
- Transform and summarise (Information Extractor): extracts structured fields from text with AI, with model: Google Gemini Chat Model
- Review data (Google Sheets): append
- Categories (Switch): routes items into 2 branches
- Slack: uses Slack
- Send Report (Gmail): uses Gmail
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.
- Still check Gmail Trigger below v1.4 runs as v1.4 (drafts skipped, max emails per poll) (Receive review/feedbak).
Nodes used (9)
- n8n Form Trigger
n8n-nodes-base.formTrigger - Google Gemini Chat Model
@n8n/n8n-nodes-langchain.lmChatGoogleGemini - Gmail
n8n-nodes-base.gmail - Slack
n8n-nodes-base.slack - Gmail Trigger
n8n-nodes-base.gmailTrigger - Code
n8n-nodes-base.code - Information Extractor
@n8n/n8n-nodes-langchain.informationExtractor - Google Sheets
n8n-nodes-base.googleSheets - Switch
n8n-nodes-base.switch
From the author
Customer Feedback Loop Analyzer (n8n Automated Workflow) This workflow automates the process of collecting customer feedback from forms and emails, analyzes it using AI, classifies it by category and sentiment, logs it into Google Sheets, and routes it to the…