Qualify event venue leads from Gmail with Gemini, HighLevel, Sheets and Slack
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 18 nodes and runs on Gmail events. Along the way it connects HighLevel, Google Sheets, Slack and Gmail and 1 more.
How it runs
Trigger: On Gmail events.
- Set Enquiry Details (Edit Fields (Set)): sets or maps fields
- Process with LLM Chain (Basic LLM Chain): sends a prompt to an LLM, with model: Google Gemini Model
- Set Output Field (Edit Fields (Set)): sets or maps fields
- If: checks a condition and branches into true / false
- Fetch CRM Contact List (HighLevel): uses HighLevel
- If: checks a condition and branches into true / false
- Read User Profile from Sheets (Google Sheets): uses Google Sheets
- Post Lead to CRM (HTTP Request): calls an HTTP API
- Wait: pauses before continuing
- If: checks a condition and branches into true / false
…plus 6 more steps. See the full node list below.
Services it uses
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
- Still check Gmail Trigger below v1.4 runs as v1.4 (drafts skipped, max emails per poll) (When Email Received).
Nodes used (10)
- Edit Fields (Set)
n8n-nodes-base.set - HighLevel
n8n-nodes-base.highLevel - If
n8n-nodes-base.if - HTTP Request
n8n-nodes-base.httpRequest - Google Sheets
n8n-nodes-base.googleSheets - Slack
n8n-nodes-base.slack - Basic LLM Chain
@n8n/n8n-nodes-langchain.chainLlm - Gmail Trigger
n8n-nodes-base.gmailTrigger - Google Gemini Chat Model
@n8n/n8n-nodes-langchain.lmChatGoogleGemini - Wait
n8n-nodes-base.wait
From the author
Quick overview Youtube Video: https://youtu.be/T1e7SoVQfbs My Linkedin Profie: https://www.linkedin.com/in/iamvaar/ This workflow monitors a Gmail inbox for new unread enquiries, uses Google Gemini to extract and score venue lead details, syncs qualified…