n8n_Challenge_Haeng_Franz_Rott

✅ TESTING STEPS:

1️⃣ MANUAL TEST:
• Click 'Execute Workflow' button
• Check if all nodes execute successfully
• Verify Google Sheets get populated
• Check if email is sent (if content differs)

2️⃣ WEBHOOK TEST:
• Activate workflow (toggle switch)
• Copy webhook URL from Webhook node
• Test with curl or Postman:
  curl -X POST [your-webhook-url]

3️⃣ TROUBLESHOOTING:
• Check node execution logs for errors
• Verify all credentials are properly configured
• Ensure Google Sheets permissions are correct