Generate Smart Calendly Notifications for Outlook and Slack using GPT-4

This n8n automation notifies you whenever someone books a meeting with you via Calendly. It sends a customized email via Outlook and a Slack message using details from the event.

📌 What This Workflow Does

Listens for new Calendly meeting bookings (invitee.created).
Extracts key details (name, email, reason for meeting, start time).
Uses an AI agent to generate both: A HTML email sent to you via Outlook. A Slack message sent to your chosen channel.

⚙️ Step-by-Step Setup Instructions

1. 🔗 Calendly API Setup In n8n: Go to Credentials → Add Credential → Calendly API. Connect your account with the personal access token. In the Calendly Trigger node, set event to invitee.created.

2. 📧 Microsoft Outlook Credential Add Microsoft Outlook credentials via OAuth2 in n8n → Credentials. Select it in the "Send a message" node.

3. 💬 Slack Setup Add Slack OAuth2 credentials. Select your Slack workspace and choose the channel (e.g., #leads).

4. 🧠 Configure the AI Agent (OpenAI) Provide your OpenAI API key under Credentials → OpenAI API. The AI Agent node is pre-configured to: Format a custom Slack message Format a custom Outlook HTML email

5. 🛠 Node Details Calendly Event** (Trigger): Listens for new bookings Edit Fields**: Extracts values like name, email, start time, and form answers Email Generator** (AI Agent): Creates formatted email + Slack message Send a message** (Outlook): Sends the formatted email to your inbox Slack Message**: Sends the AI-generated Slack alert

🧪 Example Output

Slack Message: