Automated sales follow-up system using HighLevel, Gmail, Slack & Google Sheets

by Rahul Joshi ✓ · 1,473 views · created 2025-10-25 · Lead Nurturing

What this workflow does

This workflow has 12 nodes and runs manually, when you click “Execute workflow”. Along the way it connects HighLevel, Google Sheets, Gmail and Slack.

How it runs

Trigger: Manually, when you click “Execute workflow”.

1. Fetch Contacts from HighLevel (HighLevel): get many
2. Validate Deal Fetch Success (If): checks a condition and branches into true / false
3. Filter Contacts with No Response (Code): runs custom JavaScript code
4. Log Errors in Google Sheets (Google Sheets): append
5. Get Most Recent Contact (Code): runs custom JavaScript code
6. Send Follow-Up Email to Contact (Gmail): uses Gmail
7. Wait: waits 42 seconds
8. Retrieve Email Thread for Response (Gmail): get (thread)
9. Check If Contact Responded with 'Yes' (If): checks a condition and branches into true / false
10. Notify Sales Team in Slack if Response Received (Slack): uses Slack

…plus 1 more step. See the full node list below.

Services it uses

HighLevelGoogle SheetsGmailSlack

Before you upgrade to n8n 3.0

Nodes used (8)

• Manual Triggern8n-nodes-base.manualTrigger
• HighLeveln8n-nodes-base.highLevel
• Ifn8n-nodes-base.if
• Google Sheetsn8n-nodes-base.googleSheets
• Coden8n-nodes-base.code
• Gmailn8n-nodes-base.gmail
• Waitn8n-nodes-base.wait
• Slackn8n-nodes-base.slack

From the author

📘 Description: This workflow automates sales contact follow-ups and engagement tracking by integrating HighLevel CRM, Gmail, Slack, and Google Sheets. It fetches all contacts from HighLevel, filters inactive contacts, sends personalized follow-up emails,…

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