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ExpertStarterAI AgentsWebhook trigger9 nodes

Power an assistant workflow with Google Sheets & Gmail

Fires the moment a webhook arrives across Google Sheets and Gmail, looks the answer up in a vector store, then hands the decision to an AI agent. Built for conversational AI, around a "Answer from Knowledge Base" step, in 9 documented nodes.

Power an assistant workflow with Gmail on autopilot. An original, ready-to-import n8n workflow built around the 'AI Agent' pattern for AI & automation. It fires on a webhook and orchestrates 9 nodes across Google Sheets, Gmail. It uses n8n's LangChain AI nodes (Agent/Chain + chat model). Retry-on-fail is enabled on external calls. Import the JSON, add your credentials, and adapt the parameters. Your team sees the right data at the right time.

Key benefits

  • Keeps Google Sheets and Gmail in step for conversational AI, without anyone re-typing a row
  • A failed Google Sheets or Gmail call is retried rather than dropped, at any of the 9 nodes in this conversational-AI build
  • The conversational-AI AI step is isolated from Google Sheets, so models swap without touching the other 9 nodes
  • Conversational-AI answers come from your indexed content, not model recall, before reaching Google Sheets
  • Pinned sample data ships with it — run all 9 nodes for conversational AI before wiring Google Sheets

Use cases

  • Teams keeping Google Sheets and Gmail aligned by hand for conversational AI
  • Answering conversational-AI questions from your own indexed documents, then replying in Google Sheets
  • Conversational AI work that needs a judgement call per item before it reaches Google Sheets
  • Pushing conversational-AI events into Google Sheets and Gmail the moment they land, not on the next poll

Integrations

Google SheetsGmailGoogle Gemini

Workflow preview (9 nodes)

The template's actual node layout and connections. Node parameters and credential slots unlock with the download.

Receive Inbound WebhookWebhookAnswer from Knowledge B…AgentGoogle Gemini Chat ModelLm Chat Google GeminiKnowledge Base RetrieverVector Store QdrantQuery EmbeddingsEmbeddings Google GeminiGrounded Answer Found?IfReturn Answer (HTTP 200)Respond To WebhookLog Knowledge GapGoogle SheetsFlag Gap to KB OwnersGmail

What's inside (9 nodes)

A look at the node types this workflow uses. No purchase required — full parameters and credentials are yours after you buy.

AgentEmbeddings Google GeminiGmailGoogle SheetsIfLm Chat Google GeminiRespond To WebhookVector Store QdrantWebhook

Agent tools included (1)

An AI Agent is only as capable as the tools wired into it. These are read from the template's own graph — every one is a real node in the file you download.

  • Knowledge Base Retriever · Vector Store Qdrant

This agent runs without conversation memory - each run starts from the incoming request.

From download to running in 3 steps

  1. 1
    Import. In n8n, open Workflows → menu → “Import from File” and pick the downloaded JSON.
  2. 2
    Connect. Add your own credentials on the app nodes - n8n highlights exactly which ones need them.
  3. 3
    Activate. Run it once to test, then toggle Active. The automation is live.

What you'll learn

Foundation level

A starter-sized build - small enough to hold in your head while you learn the pattern.

  • Moving data between Google Sheets and Gmail in a single run
  • Adding retries and an explicit error path to external calls
  • Testing against pinned sample data before connecting anything real

Every node carries its own documentation on the canvas, plus notes explaining why the architecture was built this way, a credential setup guide, troubleshooting, and three practice exercises. Sample data comes pinned to the trigger, so you can hit Execute and watch data flow before connecting a single account.

Common questions

What exactly do I get?

The complete, ready-to-import n8n workflow as a JSON file, delivered instantly after payment. Import it into your own n8n (cloud or self-hosted), add your credentials, and it runs.

How do I import it into n8n?

In n8n, open Workflows, click the three-dot menu, choose “Import from File”, and select the downloaded JSON. Then connect your own app credentials on the highlighted nodes.

Do I need anything else for it to work?

You need your own n8n instance and accounts/credentials for the apps this workflow connects to (Google Sheets, Gmail). No coding is required.

What if it doesn't work for me?

If the file is faulty, won't import, or isn't as described, contact us within 7 days and we'll fix it or refund you - see our refund policy.

Can I modify or resell it?

You can freely adapt and use it in your own or your clients' projects. Reselling or redistributing the template file itself is not permitted.

Original n8n workflow template created and owned by WorkflowCrate. After purchase you receive the ready-to-import JSON file and a license to use and adapt it in your own projects.