Triage and route AI-powered support tickets with Google Gemini, Trello, and Gmail
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 16 nodes and runs when someone submits an n8n form (“Support Ticket Submission Form”). Along the way it connects Guardrails, Google Gemini Chat Model, Trello and Google Sheets and 1 more.
How it runs
Trigger: When someone submits an n8n form (“Support Ticket Submission Form”).
- Validate Ticket Scope (Guardrails) (Guardrails): uses Guardrails, with model: Google Gemini Chat Model
- Classify and Draft Response (AI Agent) (AI Agent): runs an AI agent, with model: Google Gemini Chat Model; 1 tool (Look Up Customer Record (Google Sheets)); output parser: Ticket Classification Output Schema
- Create Ticket Card in Trello (Trello): uses Trello
- Request Human Approval (Email) (Gmail): send and wait for a reply
- Is Response Approved? (If): checks a condition and branches into true / false
- Send Response to Customer (Gmail): uses Gmail
- Move Card to Manual Review (Trello): update
- Move Card to Resolved by AI (Trello): update
- Get Trello Labels (Trello): work with label
- Get Trello Lists (Trello): get many (list)
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.
Nodes used (10)
- n8n Form Trigger
n8n-nodes-base.formTrigger - Guardrails
@n8n/n8n-nodes-langchain.guardrails - Google Gemini Chat Model
@n8n/n8n-nodes-langchain.lmChatGoogleGemini - No Operation, do nothing
n8n-nodes-base.noOp - Structured Output Parser
@n8n/n8n-nodes-langchain.outputParserStructured - Trello
n8n-nodes-base.trello - Google Sheets Tool
n8n-nodes-base.googleSheetsTool - Gmail
n8n-nodes-base.gmail - AI Agent
@n8n/n8n-nodes-langchain.agent - If
n8n-nodes-base.if
From the author
Quick overview Automate support ticket triage with Google Gemini, Trello, Gmail, and Google Sheets. The workflow validates ticket scope, classifies and prioritizes requests with AI, looks up customer data, creates Trello cards, and requires human approval…