Automated Appointment WhatsApp Notifications with n8n
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This n8n workflow automates sending WhatsApp notifications for appointments. It uses a Webhook Trigger to receive appointment data, processes it with Text Splitter and Embeddings nodes, stores it in Supabase, and then leverages a RAG Agent for intelligent responses before logging to Google Sheets and alerting on Slack for errors.
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About This Workflow
Overview
This n8n workflow is designed to automate the sending of appointment-related notifications via WhatsApp. It initiates with a Webhook Trigger to receive incoming appointment data. The data is then segmented using the Text Splitter node, its semantic meaning captured by Embeddings (using OpenAI), and this information is stored in Supabase for efficient retrieval. A Supabase Query and Vector Tool enable context retrieval, which is then processed by a RAG Agent that uses Chat Model and Window Memory for intelligent interaction. Finally, the outcome is logged to a Google Sheet via the Append Sheet node, and any errors encountered during the process trigger an alert on Slack using the Slack Alert node.
Key Features
- Automated appointment notification via WhatsApp.
- Real-time data ingestion via Webhook Trigger.
- Advanced text processing and embedding for intelligent responses.
- Centralized data storage and retrieval using Supabase.
- Error alerting via Slack for robust monitoring.
- Logging of appointment statuses to Google Sheets.
How To Use
- Set up Webhook Trigger: Configure the
Webhook Triggernode with the desired path (e.g.,appointment-whatsapp-notify) to receive incoming appointment data. - Configure Text Splitter & Embeddings: Set up the
Text Splitterto segment incoming text and theEmbeddingsnode (with OpenAI credentials) to generate vector representations. - Set up Supabase Integration: Configure
Supabase InsertandSupabase Querynodes with your Supabase credentials and index name (appointment_whatsapp_notify) to store and retrieve appointment data. - Configure RAG Agent: Set up the
RAG Agentwith your desired prompt and system message, linking it to theChat ModelandWindow Memory. - Integrate Google Sheets: Configure the
Append Sheetnode with your Google Sheets credentials and the correct sheet name (Log) to record the output. - Set up Slack Alerts: Configure the
Slack Alertnode with your Slack credentials to receive error notifications.
Apps Used
Workflow JSON
{
"id": "143d32a5-2dc7-4b25-957c-65b7da0f542e",
"name": "Automated Appointment WhatsApp Notifications with n8n",
"nodes": 0,
"category": "Healthcare Automation",
"status": "active",
"version": "1.0.0"
}Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.
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ID: 143d32a5-2dc7...
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