Extract & Approve Tasks from Telegram to Notion with Gemini AI & Voice Support — n8n Workflow

Medium complexity⚡ Trigger15 nodes🏷️ Project Managementby Abhiman

Overview

This workflow automatically converts Telegram text or voice messages into Notion tasks by using AI to extract the task name and due date, allowing users to approve or decline tasks directly in Telegram before they are created. It is designed for students managing assignments, professionals tracking tasks from messaging apps, productivity enthusiasts looking to automate task entry, and teams using Notion for organized task management.

Detailed Use Case

This template turns casual Telegram messag

Nodes used

TelegramNotionGoogle Gemini Chat ModelInformation ExtractorGoogle Gemini

Workflow Preview

💬 Telegram: Receive Message

Triggers when a new Telegram message arrives either tex

🔀 Switch: Text or Voice

Checks if the message is text or voice and routes it to

✏️ Set: Prepare Text

Extracts the text message from Telegram and stores it f

🎙️ Voice Processing Chain

1. Telegram: Download Voice File: Downloads the user's

2. Gemini: Transcribe Voice: Sends the downloaded audio

🧠 Task Information Extraction

1. Google Gemini Chat Model – Powers the AI extraction

2. AI Extractor: TaskName & TaskDue – Identifies and ex

✅ Validate Task Extraction

1. If: Extraction Valid? – Checks if both `TaskName` an

2. Telegram: Notify - Extraction Failed – Sends a Teleg

📩 Ask for Task Approval

- Telegram: Ask Approve / Decline – Sends a message wit

- Provides Approve and Decline buttons for double

✅ Check Task Approval

- Approval Check (If Approved?) – Checks if the user ap

- Telegram: Notify - Task Not Created – Notifies the us

📝 Create Task in Notion

- Notion: Create Task Page – Adds a new page in Notion

- Telegram: Notify - Task Created – Confirms to the use

Quick Setup Checklist — Telegram → Transcribe

1) Telegram (BotFather)

- Create a bot with BotFather → `/newbot` → copy the Bo

- Start the bot in your Telegram

Google Gemini Chat Model

Approval Check (If Appro…

⚡

Telegram: Receive Message

Switch: Text or Voice

Set: Prepare Text

Telegram: Download Voice…

Gemini: Transcribe Voice

Set: Put Transcript into…

AI Extractor: TaskName &…

If: Extraction Valid?

Telegram: Ask Approve / …

Notion: Create Task Page

Telegram: Notify - Task …

Telegram: Notify - Extra…

15 nodes15 edges

How it Works

1
Trigger
The workflow starts with a trigger trigger.
2
Process
Data flows through 15 nodes, connecting googlegemini, if, informationextractor.
3
Output
The workflow completes its automation and delivers the result to the configured destination.

Node Details (15)

Notion

notion

Google Gemini Chat Model

n8n-nodes-langchain.lmChatGoogleGemini

Information Extractor

n8n-nodes-langchain.informationExtractor

Google Gemini

n8n-nodes-langchain.googleGemini

How to Import This Workflow

1Click Download JSON button on the right to save the workflow file.
2Open your n8n instance. Go to Workflows → New → Import from file.
3Select the downloaded extract-approve-tasks-from-telegram-to-notion-with-gemini-ai-voice-support file and click Import.
4Set up credentials for each service node (API keys, OAuth, etc.).
5Click Test Workflow to verify everything works, then activate it.

Or paste directly in n8n → Import from JSON:

{ "name": "Extract & Approve Tasks from Telegram to Notion with Gemini AI & Voice Support", "nodes": [...], ...}

Integrations

googlegeminiifinformationextractorlmchatgooglegemininotionsetswitchtelegramtelegramtrigger

Get This Workflow

Download and import in one click

Download JSON View on n8n.io

Nodes15

Complexitymedium

Triggertrigger

CategoryProject Management

Created by

Abhiman

@abhimangs

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