Asuka This workflow corresponds to n8n.io template #10907 — we link there as the canonical source.
This workflow follows the Gmail → Gmail Trigger recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
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{
"id": "pJ2Te2kUFfhWNb9A",
"meta": {
"templateCredsSetupCompleted": true
},
"name": "Translate and auto-reply to Gmail messages with human approval via Slack",
"tags": [],
"nodes": [
{
"id": "c1a5ba21-c74b-404a-bc72-af5329eb2d96",
"name": "Gmail Trigger",
"type": "n8n-nodes-base.gmailTrigger",
"notes": "Set your specific Gmail label here (e.g., 'To_Process')",
"position": [
192,
848
],
"parameters": {
"filters": {
"labelIds": [
"INBOX"
]
},
"pollTimes": {
"item": [
{
"mode": "everyMinute"
}
]
}
},
"typeVersion": 1.3
},
{
"id": "c45f19d1-0c2c-4102-b8c7-bf925c3ac604",
"name": "Configuration",
"type": "n8n-nodes-base.set",
"notes": "Enter your Slack Channel ID here",
"position": [
416,
848
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "id-1",
"name": "slackChannel",
"type": "string",
"value": "YOUR_SLACK_CHANNEL_ID_HERE"
}
]
},
"includeOtherFields": true
},
"typeVersion": 3.4
},
{
"id": "92fb5d5c-d0b5-4cf9-9881-de0311e7866b",
"name": "Translate Email",
"type": "n8n-nodes-base.deepL",
"position": [
640,
848
],
"parameters": {
"text": "={{ $json.snippet }}",
"translateTo": "EN",
"additionalFields": {}
},
"typeVersion": 1
},
{
"id": "d9c943cf-4a6b-40d7-ba42-8640b89f9675",
"name": "Generate AI Response",
"type": "@n8n/n8n-nodes-langchain.openAi",
"position": [
864,
848
],
"parameters": {
"modelId": {
"__rl": true,
"mode": "list",
"value": "gpt-4o-mini",
"cachedResultName": "GPT-4o-mini"
},
"options": {},
"messages": {
"values": [
{
"content": "=You are a professional email assistant. Based on the following translated email content:\n\n{{ $('Translate Email').item.json.translatedText }}\n\nPlease:\n1. Create a concise summary (3 bullet points)\n2. Draft a professional and polite reply\n\nFormat your response as:\n\u3010Summary\u3011\n\u2022 Point 1\n\u2022 Point 2\n\u2022 Point 3\n\n\u3010Draft Reply\u3011\n[Your professional reply here]"
}
]
}
},
"typeVersion": 1
},
{
"id": "416e8388-fc58-4785-9af8-6d81e1deed3a",
"name": "Request Approval",
"type": "n8n-nodes-base.slack",
"position": [
1184,
848
],
"parameters": {
"text": "=\ud83d\udce7 **New Email Requiring Approval**\n\n**From:** {{ $('Gmail Trigger').item.json.from }}\n**Subject:** {{ $('Gmail Trigger').item.json.subject }}\n\n\ud83d\udcdd **AI Analysis:**\n{{ $json.message.content }}\n\n-----------------------------\n\n\u2705 **Action Required:**\nClick the link below to approve and send the reply:\n{{ $execution.resumeUrl }}\n\n\u26a0\ufe0f *Note: If no action is taken, the email will remain unanswered.*",
"select": "channel",
"channelId": {
"__rl": true,
"mode": "id",
"value": "={{ $('Configuration').item.json.slackChannel }}"
},
"otherOptions": {},
"authentication": "oAuth2"
},
"typeVersion": 2.3
},
{
"id": "679dd134-f1d1-4698-b04b-8fe01bd72a7b",
"name": "Wait for Approval",
"type": "n8n-nodes-base.wait",
"position": [
1392,
848
],
"parameters": {
"resume": "webhook",
"options": {}
},
"typeVersion": 1.1
},
{
"id": "997f7385-b66b-4e04-ac9d-574842b8bfea",
"name": "Send Email Reply",
"type": "n8n-nodes-base.gmail",
"position": [
1616,
848
],
"parameters": {
"message": "={{ $('Generate AI Response').item.json.message.content.split('\u3010Draft Reply\u3011')[1].trim() }}\n\n---\nSent via n8n automation",
"options": {},
"messageId": "={{ $('Gmail Trigger').item.json.id }}",
"operation": "reply"
},
"typeVersion": 2.1
},
{
"id": "5334a474-dbe0-4a50-a783-70a497da92df",
"name": "Mark as Processed",
"type": "n8n-nodes-base.gmail",
"notes": "Removes label to prevent reprocessing",
"position": [
1840,
848
],
"parameters": {
"labelIds": "={{ $('Gmail Trigger').item.json.labelIds[0] }}",
"messageId": "={{ $('Gmail Trigger').item.json.id }}",
"operation": "removeLabels"
},
"typeVersion": 2.1
},
{
"id": "f43b85f6-e8cb-4864-810a-e082604c5258",
"name": "\ud83d\udccb Template Overview",
"type": "n8n-nodes-base.stickyNote",
"position": [
-336,
496
],
"parameters": {
"width": 450,
"height": 676,
"content": "## \ud83d\udca1 How to Use This Template\n\nThis workflow creates an intelligent email assistant that:\n- **Translates** incoming emails to your preferred language\n- **Generates** AI-powered summaries and draft replies\n- **Requests** human approval before sending\n- **Automates** the entire response process\n\n### Setup Instructions:\n1. **Gmail**: Create a label (e.g., 'To_Process') and configure OAuth2\n2. **DeepL**: Add your API key for translation\n3. **OpenAI**: Configure API key for AI responses\n4. **Slack**: Set up OAuth2 and enter channel ID in Configuration node\n\n### Important Notes:\n- n8n must be accessible via webhook (use tunnel for testing or deploy to production)\n- The workflow pauses at the approval step until you click the Slack link\n- Processed emails have their labels removed to prevent loops\n\n### Customization Options:\n- Change translation language in DeepL node\n- Adjust AI prompt for different response styles\n- Modify Slack message format\n- Add conditions for selective processing"
},
"typeVersion": 1
},
{
"id": "00a54c3e-c863-451f-988c-c3a8e3e1590b",
"name": "Step 1",
"type": "n8n-nodes-base.stickyNote",
"position": [
144,
1024
],
"parameters": {
"color": 7,
"width": 200,
"height": 96,
"content": "### 1\ufe0f\u20e3 Email Detection\nMonitors Gmail for emails with your specified label"
},
"typeVersion": 1
},
{
"id": "08fa9fac-4c89-4308-80c3-8425c2b38aeb",
"name": "Step 2",
"type": "n8n-nodes-base.stickyNote",
"position": [
368,
1024
],
"parameters": {
"color": 7,
"width": 200,
"height": 80,
"content": "### 2\ufe0f\u20e3 Configuration\nSet your Slack channel ID for notifications"
},
"typeVersion": 1
},
{
"id": "9b8c3f04-a90e-43a8-b203-bc331bc39663",
"name": "Step 3",
"type": "n8n-nodes-base.stickyNote",
"position": [
592,
1024
],
"parameters": {
"color": 7,
"width": 200,
"height": 112,
"content": "### 3\ufe0f\u20e3 Translation\nAutomatically translates email content using DeepL"
},
"typeVersion": 1
},
{
"id": "0c1565c4-2b3b-4195-b7d5-445821a784ae",
"name": "Step 4",
"type": "n8n-nodes-base.stickyNote",
"position": [
880,
1040
],
"parameters": {
"color": 7,
"width": 200,
"height": 80,
"content": "### 4\ufe0f\u20e3 AI Processing\nGenerates summary and professional reply draft"
},
"typeVersion": 1
},
{
"id": "ab1ecdfc-f613-4abb-9016-8b5964f3696a",
"name": "Step 5",
"type": "n8n-nodes-base.stickyNote",
"position": [
1232,
1040
],
"parameters": {
"color": 7,
"width": 200,
"height": 80,
"content": "### 5\ufe0f\u20e3 Human Approval\nSends approval request to Slack with one-click link"
},
"typeVersion": 1
},
{
"id": "b41a1a15-4054-4306-b43f-8e1e4037a899",
"name": "Step 6",
"type": "n8n-nodes-base.stickyNote",
"position": [
1584,
1040
],
"parameters": {
"color": 7,
"width": 200,
"height": 80,
"content": "### 6\ufe0f\u20e3 Send Reply\nAutomatically sends the approved email response"
},
"typeVersion": 1
}
],
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "c0409ac5-c884-4b62-8d21-c32b8f6a38d9",
"connections": {
"Configuration": {
"main": [
[
{
"node": "Translate Email",
"type": "main",
"index": 0
}
]
]
},
"Gmail Trigger": {
"main": [
[
{
"node": "Configuration",
"type": "main",
"index": 0
}
]
]
},
"Translate Email": {
"main": [
[
{
"node": "Generate AI Response",
"type": "main",
"index": 0
}
]
]
},
"Request Approval": {
"main": [
[
{
"node": "Wait for Approval",
"type": "main",
"index": 0
}
]
]
},
"Send Email Reply": {
"main": [
[
{
"node": "Mark as Processed",
"type": "main",
"index": 0
}
]
]
},
"Wait for Approval": {
"main": [
[
{
"node": "Send Email Reply",
"type": "main",
"index": 0
}
]
]
},
"Generate AI Response": {
"main": [
[
{
"node": "Request Approval",
"type": "main",
"index": 0
}
]
]
}
}
}
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About this workflow
Customer support teams, sales representatives, and international business professionals who need to handle multilingual email communication efficiently while maintaining quality control through human approval.
Source: https://n8n.io/workflows/10907/ — original creator credit. Request a take-down →
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