{ "workflow": { "id": 6739, "name": "Sentiment analysis of product reviews using Google Sheets & OpenAI", "views": 697, "recentViews": 0, "totalViews": 697, "createdAt": "2025-07-31T12:03:32.652Z", "description": "# 🧠 Sentiment Analysis of Product Reviews using Google Sheets & OpenAI\n\n## 🚀 Quick Implementation Steps\n\n**Automated customer feedback analyzer**:\n\n- **Trigger**: Google Sheets triggers on new product review rows.\n- **Sentiment Analysis**: Review text sent to OpenAI.\n- **Writeback**: Resulting sentiment (Positive, Neutral, Negative) is written back to the sheet.\n\nJust connect your credentials and sheet — you're ready to go!\n\n## 🔍 What It Does\n\nThis workflow automatically analyzes user-submitted product reviews and classifies them by sentiment using OpenAI’s powerful language models. It eliminates the need to manually sift through feedback by tagging each review with a sentiment score.\n\nThe sentiment result is then written back to the Google Sheet next to the original review, enabling you to get a fast, clear snapshot of overall customer perception, satisfaction and pain points. Whether you're monitoring 10 or 10,000 reviews, this process scales effortlessly and updates every minute.\n\n## 👤 Who’s It For\n\nThis workflow is designed for:\n\n- **E-commerce teams** collecting user reviews.\n- **Product teams** monitoring customer feedback.\n- **Marketing teams** identifying promotable reviews.\n- **Support teams** watching for negative experiences.\n- **SaaS platforms**, apps, and survey tools managing structured text feedback.\n\n## ✅ Requirements\n\nYou’ll need:\n\n- A Google Sheet with two columns: `Review` and `Sentiment`\n- Google Sheets OAuth2 credentials in n8n\n- OpenAI API Key (for GPT-4o-mini or GPT-3.5)\n- n8n instance with LangChain and OpenAI nodes enabled\n\n## ⚙️ How It Works\n\n1. **Google Sheets Trigger**: Watches for new rows every minute\n2. **OpenAI Integration**:\n - Uses LangChain’s `Sentiment Analysis` node\n - Passes review text into GPT-4o-mini via the `OpenAI Chat Model` node\n3. **Sheet Update**: The sentiment result (Positive, Negative, or Neutral) is written into the `Sentiment` column in the same row.\n\nSticky Notes included for better visual understanding inside the workflow editor.\n\n## 🛠️ Steps to Configure and Use\n\n### 1. Prepare Your Google Sheet\n\nMake sure your sheet is named `Sheet1` with the following structure:\n\n| Review | Sentiment |\n|---------------------------------------|-----------|\n| Absolutely love it! | |\n| Not worth the price. | |\n\n### 2. Set Up Credentials\n\n- **Google Sheets**: OAuth2 credentials\n- **OpenAI**: API Key added via `OpenAI API` credential in n8n\n\n### 3. Import & Activate Workflow\n\n- Import the workflow JSON into your n8n instance.\n- Assign the proper credentials to the trigger and OpenAI nodes.\n- Activate the workflow.\n\n## 🧩 How To Customize\n\n- 🛎️ **Alerting**: Add Slack/Email nodes for negative sentiment alerts\n- 🔄 **Triggering**: Change the polling interval to real-time triggers (e.g., webhook)\n- 📊 **Extended Sentiment**: Modify sentiment categories (e.g., \"Mixed\", \"Sarcastic\")\n- 🧾 **Summary Report**: Add Cron + Aggregation nodes for daily/weekly summaries\n- 🧠 **Prompt Tuning**: Adjust system prompt for deeper or context-based sentiment evaluation\n\n## 🧱 Add‑ons (Optional Features)\n\n- Email Digest of Negative Reviews\n- Google Drive Logging\n- Team Notification via Slack\n- Summary to Notion, Airtable, or Google Docs\n\n## 📌 Use Case Examples\n\n- **Online Stores**: Auto-tag reviews for reputation monitoring\n- **Product Teams**: See which feature releases generate positive or negative buzz\n- **CX Dashboards**: Feed real-time sentiment to internal BI tools\n- **Marketing**: Extract glowing reviews for social proof\n- **Support**: Triage issues by flagging critical comments instantly\n\n*...and many more applications wherever text feedback is collected.*\n\n## 🧰 Troubleshooting Guide\n\n| Issue | Possible Cause | Suggested Fix |\n|-------------------------|---------------------------------------------|---------------------------------------------------|\n| Sentiment not updating | Sheet credentials missing or misconfigured | Reconnect Google Sheets OAuth2 |\n| Blank sentiment | Review column empty or misaligned | Ensure proper column header & value present |\n| OpenAI errors | Invalid or expired API key | Regenerate API Key from OpenAI and re-auth |\n| Workflow doesn’t run | Polling settings incorrect | Confirm interval & document ID in trigger node |\n\n## 🤝 Need Help?\n\nIf you need assistance for\n\n- ✅ Help setting up this workflow\n- ⚙️ Customizing prompts or output\n- 🚀 Automating your full review pipeline\n\n👉 Contact us today at WeblineIndia. We will be happy to assist.\n", "workflow": { "id": "ugi00HVDOW9kN81g", "meta": { "instanceId": "14e4c77104722ab186539dfea5182e419aecc83d85963fe13f6de862c875ebfa", "templateCredsSetupCompleted": true }, "name": "Sentiment Analysis of Product Reviews with OpenAI", "tags": [], "nodes": [ { "id": "a0c76f41-a0f7-4c15-88ed-9372ecac1db3", "name": "Sentiment Analysis", "type": "@n8n/n8n-nodes-langchain.sentimentAnalysis", "position": [ -100, -40 ], "parameters": { "options": {}, "inputText": "={{ $json.Review }}" }, "typeVersion": 1 }, { "id": "4fc752b9-8dcf-4c92-9ffe-83ff63f02a6e", "name": "OpenAI Chat Model", "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi", "position": [ -80, 160 ], "parameters": { "model": { "__rl": true, "mode": "list", "value": "gpt-4o-mini" }, "options": {} }, "credentials": { "openAiApi": { "id": "", "name": "" } }, "typeVersion": 1.2 }, { "id": "2fb5412d-bf2f-4e9c-9f99-e057b6b8c0bc", "name": "Google Sheets Trigger", "type": "n8n-nodes-base.googleSheetsTrigger", "position": [ -300, -40 ], "parameters": { "options": {}, "pollTimes": { "item": [ { "mode": "everyMinute" } ] }, "sheetName": { "__rl": true, "mode": "list", "value": "gid=0", "cachedResultUrl": "", "cachedResultName": "Sheet1" }, "documentId": { "__rl": true, "mode": "list", "value": "1HOq0GIqZ80rMhlDaU9B4d4Vq9BPj1WsTzfnB1kAmY2g", "cachedResultUrl": "", "cachedResultName": "Review" } }, "credentials": { "googleSheetsTriggerOAuth2Api": { "id": "", "name": "" } }, "typeVersion": 1 }, { "id": "88925ca1-3294-4655-8943-67f403044dd9", "name": "Updated Sentiment of Product Review", "type": "n8n-nodes-base.googleSheets", "position": [ 440, -60 ], "parameters": { "columns": { "value": { "Review": "={{ $json.Review }}", "Sentiment": "={{ $json.sentimentAnalysis.category }}" }, "schema": [ { "id": "Review", "type": "string", "display": true, "removed": false, "required": false, "displayName": "Review", "defaultMatch": false, "canBeUsedToMatch": true }, { "id": "Sentiment", "type": "string", "display": true, "removed": false, "required": false, "displayName": "Sentiment", "defaultMatch": false, "canBeUsedToMatch": true }, { "id": "row_number", "type": "string", "display": true, "removed": true, "readOnly": true, "required": false, "displayName": "row_number", "defaultMatch": false, "canBeUsedToMatch": true } ], "mappingMode": "defineBelow", "matchingColumns": [ "Review" ], "attemptToConvertTypes": false, "convertFieldsToString": false }, "options": {}, "operation": "update", "sheetName": { "__rl": true, "mode": "list", "value": "gid=0", "cachedResultUrl": "", "cachedResultName": "Sheet1" }, "documentId": { "__rl": true, "mode": "list", "value": "1HOq0GIqZ80rMhlDaU9B4d4Vq9BPj1WsTzfnB1kAmY2g", "cachedResultUrl": "", "cachedResultName": "Review" } }, "credentials": { "googleSheetsOAuth2Api": { "id": "", "name": "" } }, "typeVersion": 4.5 }, { "id": "dd0610dd-524c-4987-8fca-fc2ed6e1deb2", "name": "Sticky Note", "type": "n8n-nodes-base.stickyNote", "position": [ -440, -240 ], "parameters": { "color": 3, "width": 1100, "height": 520, "content": "## Sentiment Analysis of Product Review Using OpenAI" }, "typeVersion": 1 }, { "id": "be858b1d-e0c6-4337-b3da-77b748b82597", "name": "Sticky Note1", "type": "n8n-nodes-base.stickyNote", "position": [ -440, 300 ], "parameters": { "color": 7, "width": 1100, "height": 180, "content": "## Description\n\nWhenever a product review is submitted, the workflow is initiated. Each review is then sent for sentiment analysis using OpenAI. Once the sentiment is determined, the result is updated alongside the review." }, "typeVersion": 1 } ], "active": false, "pinData": {}, "settings": { "executionOrder": "v1" }, "versionId": "07a342c5-be90-41f9-99c3-93d918db974d", "connections": { "OpenAI Chat Model": { "ai_languageModel": [ [ { "node": "Sentiment Analysis", "type": "ai_languageModel", "index": 0 } ] ] }, "Sentiment Analysis": { "main": [ [ { "node": "Updated Sentiment of Product Review", "type": "main", "index": 0 } ], [ { "node": "Updated Sentiment of Product Review", "type": "main", "index": 0 } ], [ { "node": "Updated Sentiment of Product Review", "type": "main", "index": 0 } ] ] }, "Google Sheets Trigger": { "main": [ [ { "node": "Sentiment Analysis", "type": "main", "index": 0 } ] ] } } }, "lastUpdatedBy": 29, "workflowInfo": { "nodeCount": 6, "nodeTypes": { "n8n-nodes-base.stickyNote": { "count": 2 }, "n8n-nodes-base.googleSheets": { "count": 1 }, "n8n-nodes-base.googleSheetsTrigger": { "count": 1 }, "@n8n/n8n-nodes-langchain.lmChatOpenAi": { "count": 1 }, "@n8n/n8n-nodes-langchain.sentimentAnalysis": { "count": 1 } } }, "status": "published", "user": { "name": "WeblineIndia", "username": "weblineindia", "bio": "A Leading Software Engineering, Consulting & Outsourcing Services Company in USA & India serving Clients Globally since 1999.", "verified": true, "links": [ "https://www.weblineindia.com/" ], "avatar": "https://gravatar.com/avatar/a229d43aefca4588581583c58bb37b4773aebbdf4c1fef86a08bb1d38eae91fa?r=pg&d=retro&size=200" }, "nodes": [ { "id": 18, "icon": "file:googleSheets.svg", "name": "n8n-nodes-base.googleSheets", "codex": { "data": { "alias": [ "CSV", "Sheet", "Spreadsheet", "GS" ], "resources": { "generic": [ { "url": "https://n8n.io/blog/love-at-first-sight-ricardos-n8n-journey/", "icon": "❤️", "label": "Love at first sight: Ricardo’s n8n journey" }, { "url": "https://n8n.io/blog/why-business-process-automation-with-n8n-can-change-your-daily-life/", "icon": "🧬", "label": "Why business process automation with n8n can change your daily life" }, { "url": "https://n8n.io/blog/automatically-adding-expense-receipts-to-google-sheets-with-telegram-mindee-twilio-and-n8n/", "icon": "🧾", "label": "Automatically Adding Expense Receipts to Google Sheets with Telegram, Mindee, Twilio, and n8n" }, { "url": "https://n8n.io/blog/supercharging-your-conference-registration-process-with-n8n/", "icon": "🎫", "label": "Supercharging your conference registration process with n8n" }, { "url": "https://n8n.io/blog/creating-triggers-for-n8n-workflows-using-polling/", "icon": "⏲", "label": "Creating triggers for n8n workflows using polling" }, { "url": "https://n8n.io/blog/no-code-ecommerce-workflow-automations/", "icon": "store", "label": "6 e-commerce workflows to power up your Shopify s" }, { "url": "https://n8n.io/blog/migrating-community-metrics-to-orbit-using-n8n/", "icon": "📈", "label": "Migrating Community Metrics to Orbit using n8n" }, { "url": "https://n8n.io/blog/automate-google-apps-for-productivity/", "icon": "💡", "label": "15 Google apps you can combine and automate to increase productivity" }, { "url": "https://n8n.io/blog/your-business-doesnt-need-you-to-operate/", "icon": " 🖥️", "label": "Hey founders! 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