Who is this for
Who is this for Anyone who wants a fun and practical AI chatbot on LINE. Great for people who enjoy getting advice from multiple angles — whether they face work stress, personal dilemmas, or everyday decisions. What this workflow does When a user sends a text message to the LINE bot, the workflow: Parses the incoming LINE Webhook event Passes the message to Google Gemini via Basic LLM Chain Gemini replies as three distinct personas in a single structured response The advice is logged to Google Sheets for history tracking A Flex Message carousel is sent back to the user — one card per persona, each color-coded The three personas: 🔮 Fortune Teller — mystical, fate-driven advice 💼 Business Coach — logical, action-oriented guidance 😊 Best Friend — casual, empathetic encouragement How to set up Create a LINE Messaging API channel and copy the Channel Access Token Set your n8n webhook URL as the LINE Webhook URL Create a Google Sheets spreadsheet with a sheet named advice_history and these headers in row 1: Timestamp, User ID, Message, Fortune Teller, Business Coach, Best Friend Open the Set config node and paste your LINE token and Sheet ID Connect your Google Gemini credential to the Google Gemini Chat Model node Connect your Google Sheets credential to the Save advice to Sheets node Activate the workflow and send a message to your LINE bot Requirements LINE Messaging API channel (free) Google Gemini API key (free tier available at aistudio.google.com) Google Sheets (any Google account) How to customize Change the three personas in the Generate advice with Gemini prompt to fit your use case (e.g. therapist, investor, comedian) Adjust the Flex Message card colors in Send Flex Message to LINE Add extra columns to Google Sheets to track additional metadata. An n8n automation workflow template by Ryo Sayama.
Ryo Sayama
web
free
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