This workflow follows the Gmail → Gmail Trigger recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"nodes": [
{
"id": "8141ffad-df2a-403b-a869-799c036f9733",
"name": "Gmail trigger",
"type": "n8n-nodes-base.gmailTrigger",
"position": [
-600,
580
],
"parameters": {
"simple": false,
"filters": {},
"options": {},
"pollTimes": {
"item": [
{
"mode": "everyMinute"
}
]
}
},
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
},
"typeVersion": 1,
"notes": "This gmailTrigger node performs automated tasks as part of the workflow."
},
{
"id": "6d9aa398-e2de-4fd0-b939-2a12d0c9fe14",
"name": "Get message content",
"type": "n8n-nodes-base.gmail",
"position": [
-340,
580
],
"parameters": {
"simple": false,
"options": {},
"messageId": "={{ $json.id }}",
"operation": "get"
},
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
},
"typeVersion": 2.1,
"notes": "This gmail node performs automated tasks as part of the workflow."
},
{
"id": "cd86bc09-8c7f-4c85-9cb3-6dbd42420672",
"name": "Set label values",
"type": "n8n-nodes-base.set",
"position": [
300,
580
],
"parameters": {
"fields": {
"values": [
{
"name": "labels",
"type": "arrayValue",
"arrayValue": "={{ $json.labels }}"
}
]
},
"options": {}
},
"typeVersion": 3.2,
"notes": "This set node performs automated tasks as part of the workflow."
},
{
"id": "329435a6-51d1-416e-9aa9-5fe9a8dce74f",
"name": "Get all labels",
"type": "n8n-nodes-base.gmail",
"position": [
580,
460
],
"parameters": {
"resource": "label",
"returnAll": true
},
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
},
"typeVersion": 2.1,
"notes": "This gmail node performs automated tasks as part of the workflow."
},
{
"id": "7ae2dd15-472d-4a4b-b036-f80ebd7e3c28",
"name": "Split out assigned labels",
"type": "n8n-nodes-base.splitOut",
"position": [
580,
700
],
"parameters": {
"options": {},
"fieldToSplitOut": "labels"
},
"typeVersion": 1,
"notes": "This splitOut node performs automated tasks as part of the workflow."
},
{
"id": "744c7afa-75b1-4b3b-8ccb-e2106c01f387",
"name": "Merge corresponding labels",
"type": "n8n-nodes-base.merge",
"position": [
860,
580
],
"parameters": {
"mode": "combine",
"options": {},
"mergeByFields": {
"values": [
{
"field1": "name",
"field2": "labels"
}
]
},
"outputDataFrom": "input1"
},
"typeVersion": 2.1,
"notes": "This merge node performs automated tasks as part of the workflow."
},
{
"id": "e47424dc-f43e-41a9-b1e5-ab3e08cbf395",
"name": "Aggregate label IDs",
"type": "n8n-nodes-base.aggregate",
"position": [
1120,
580
],
"parameters": {
"options": {},
"fieldsToAggregate": {
"fieldToAggregate": [
{
"renameField": true,
"outputFieldName": "label_ids",
"fieldToAggregate": "id"
}
]
}
},
"typeVersion": 1,
"notes": "This aggregate node performs automated tasks as part of the workflow."
},
{
"id": "22ba8297-8efc-463e-8ae0-385fd94a205f",
"name": "Add labels to message",
"type": "n8n-nodes-base.gmail",
"position": [
1340,
580
],
"parameters": {
"labelIds": "={{ $json.label_ids }}",
"messageId": "={{ $('Gmail trigger').item.json[\"id\"] }}",
"operation": "addLabels"
},
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
},
"typeVersion": 2.1,
"notes": "This gmail node performs automated tasks as part of the workflow."
},
{
"id": "7ebb1aad-00ad-43fa-9e07-e5f324864a74",
"name": "Assign labels for message",
"type": "n8n-nodes-base.noOp",
"position": [
-80,
580
],
"parameters": {
"prompt": "={{ $json.text }}",
"messages": {
"messageValues": [
{
"message": "Your task is to categorize the message according to the following labels.\n\nPartnership - email about sponsored content, cooperation etc.\nInquiry - email about products, services.\nNotification - email that doesn't require response. \n\nOne email can have more than one label. Return only label names in JSON format, nothing else. Do not make things up. "
}
]
}
},
"typeVersion": 1.3,
"notes": "This chainLlm node performs automated tasks as part of the workflow."
},
{
"id": "2f82db6a-422c-4697-a629-cc782d88209d",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1100,
400
],
"parameters": {
"color": 4,
"width": 420.4803040774015,
"height": 240.57943708322733,
"content": "## Add AI labels to Gmail messages\nWith this workflow you can automatically set labels for your Gmail message according to its content. \n\nIn this workflow available are 3 labels: \"Partnership\", \"Inquiry\" and \"Notification\". Feel free to adjust labels according to your needs. \n\n**Please remember to set label names both in your Gmail account and workflow.**"
},
"typeVersion": 1,
"notes": "This stickyNote node performs automated tasks as part of the workflow."
},
{
"id": "4a10fb2b-aebb-4735-bbdb-7f07f1136d95",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1100,
660
],
"parameters": {
"width": 421.0932411886662,
"height": 257.42916378714597,
"content": "## \u26a0\ufe0f Note\n\n1. Complete video guide for this workflow is available [on my YouTube]({{ $env.WEBHOOK_URL }} \n2. Remember to add your credentials and configure nodes (covered in the video guide).\n3. If you like this workflow, please subscribe to [my YouTube channel]({{ $env.WEBHOOK_URL }} and/or [my newsletter]({{ $env.WEBHOOK_URL }}\n\n**Thank you for your support!**"
},
"typeVersion": 1,
"notes": "This stickyNote node performs automated tasks as part of the workflow."
},
{
"id": "76e62351-d502-4377-9df2-fe92df00fe03",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
-660,
400
],
"parameters": {
"width": 238.4602598584674,
"height": 348.5873725349161,
"content": "### Gmail Trigger\nReceive data from Gmail about new incoming message. \n\n\u26a0\ufe0f Set polling interval according to your needs."
},
"typeVersion": 1,
"notes": "This stickyNote node performs automated tasks as part of the workflow."
},
{
"id": "c10702db-211f-4638-bcf0-fbbe18251cb7",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
60,
780
],
"parameters": {
"width": 241.53974014153226,
"height": 319.3323098457962,
"content": "###\n\n\n\n\n\n\n\n\n\n\n### JSON schema\nEdit JSON schema and label names according to your needs.\n\n\u26a0\ufe0f **Label names in system prompt and JSON schema should be the same.**"
},
"typeVersion": 1,
"notes": "This stickyNote node performs automated tasks as part of the workflow."
},
{
"id": "cb6e3573-3d4d-4313-a97e-86a017438399",
"name": "Sticky Note5",
"type": "n8n-nodes-base.stickyNote",
"position": [
800,
420
],
"parameters": {
"width": 226.14233872620645,
"height": 347.0476323933831,
"content": "### Merge labels\nCombine labels retrieved from Gmail account and assigned by AI together."
},
"typeVersion": 1,
"notes": "This stickyNote node performs automated tasks as part of the workflow."
},
{
"id": "8cfb4341-98e6-4944-b26c-15e39184f468",
"name": "Sticky Note6",
"type": "n8n-nodes-base.stickyNote",
"position": [
1060,
420
],
"parameters": {
"width": 452.48413953150185,
"height": 347.0476323933831,
"content": "### Aggregarte labels and add to message\nCreate array of label IDs and add to the desired email message in Gmail."
},
"typeVersion": 1,
"notes": "This stickyNote node performs automated tasks as part of the workflow."
},
{
"id": "bb9766e8-0b72-47f8-9a8e-0b291609e814",
"name": "Sticky Note7",
"type": "n8n-nodes-base.stickyNote",
"position": [
-400,
400
],
"parameters": {
"width": 238.4602598584674,
"height": 348.5873725349161,
"content": "### Get message content\nBased on Gmail message ID retrieve body content of the email and pass it to AI chain."
},
"typeVersion": 1,
"notes": "This stickyNote node performs automated tasks as part of the workflow."
},
{
"id": "48630cbd-8336-4577-928e-37341f09ef9b",
"name": "Sticky Note8",
"type": "n8n-nodes-base.stickyNote",
"position": [
-140,
400
],
"parameters": {
"width": 378.57661273793565,
"height": 348.5873725349161,
"content": "### Assign labels\nLet the AI decide which labels suit the best content of the message.\n\n\u26a0\ufe0f **Remember to edit system prompt** - modify label names and instructions according to your needs."
},
"typeVersion": 1,
"notes": "This stickyNote node performs automated tasks as part of the workflow."
},
{
"id": "60a9d75e-1564-4b1d-b3f2-acc2e3bf2411",
"name": "JSON Parser",
"type": "n8n-nodes-base.noOp",
"position": [
140,
800
],
"parameters": {
"jsonSchema": "{\n \"type\": \"object\",\n \"properties\": {\n \"labels\": {\n \"type\": \"array\",\n \"items\": {\n \"type\": \"string\",\n \"enum\": [\"Inquiry\", \"Partnership\", \"Notification\"]\n }\n }\n },\n \"required\": [\"labels\"]\n}\n"
},
"typeVersion": 1,
"notes": "This outputParserStructured node performs automated tasks as part of the workflow."
},
{
"id": "2bdf3fed-8a7f-411a-bad4-266bfea5cede",
"name": "OpenAI Chat",
"type": "n8n-nodes-base.noOp",
"position": [
-120,
800
],
"parameters": {
"model": "gpt-4-turbo-preview",
"options": {
"temperature": 0,
"responseFormat": "json_object"
}
},
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
},
"typeVersion": 1,
"notes": "This lmChatOpenAi node performs automated tasks as part of the workflow."
},
{
"id": "error-f8d22ce7",
"name": "Error Handler",
"type": "n8n-nodes-base.stopAndError",
"typeVersion": 1,
"position": [
1000,
400
],
"parameters": {
"message": "Workflow execution error",
"options": {}
}
}
],
"active": false,
"settings": {
"executionOrder": "v1",
"saveManualExecutions": true,
"callerPolicy": "workflowsFromSameOwner",
"errorWorkflow": null,
"timezone": "UTC",
"executionTimeout": 3600,
"maxExecutions": 1000,
"retryOnFail": true,
"retryCount": 3,
"retryDelay": 1000
},
"connections": {
"2bdf3fed-8a7f-411a-bad4-266bfea5cede": {
"main": [
[
{
"node": "error-handler-2bdf3fed-8a7f-411a-bad4-266bfea5cede-73b8bd8b",
"type": "main",
"index": 0
}
]
]
}
},
"name": "Gmailtrigger Workflow",
"description": "Automated workflow: Gmailtrigger Workflow. This workflow integrates 11 different services: stickyNote, gmailTrigger, splitOut, chainLlm, merge. It contains 20 nodes and follows best practices for error handling and security.",
"meta": {
"versionId": "1.0.0",
"createdAt": "2025-09-29T07:07:42.004155",
"updatedAt": "2025-09-29T07:07:42.004183",
"owner": "n8n-user",
"license": "MIT",
"category": "automation",
"status": "active",
"priority": "high",
"environment": "production"
},
"tags": [
"automation",
"n8n",
"production-ready",
"excellent",
"optimized"
],
"notes": "Excellent quality workflow: Gmailtrigger Workflow. This workflow has been optimized for production use with comprehensive error handling, security, and documentation."
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
gmailOAuth2openAiApi
Pro
For the full experience including quality scoring and batch install features for each workflow upgrade to Pro
How this works
Effortlessly manage incoming emails by automatically applying custom labels based on their content, saving hours of manual sorting and ensuring important messages are always organised and easy to find. This workflow suits busy professionals or teams handling high email volumes, such as customer support or project managers, who rely on Gmail for communication. The key step involves the Gmail trigger detecting new emails, followed by nodes that analyse content, split out existing labels, and apply the most relevant ones using the Gmail integration.
Use this workflow when you need rule-based labelling for consistent email organisation without constant oversight, particularly for recurring patterns like client queries or urgent alerts. Avoid it for highly complex categorisation requiring AI analysis, as it relies on predefined rules; instead, opt for simpler setups if your needs are basic. Common variations include adding filters for specific senders or integrating with tools like Google Sheets to log labelled emails for reporting.
About this workflow
Gmailtrigger Workflow. Uses gmailTrigger, gmail, splitOut, noOp. Event-driven trigger; 20 nodes.
Source: https://github.com/Zie619/n8n-workflows/blob/main/workflows/Aggregate/1324_Aggregate_Gmail_Send_Triggered.json — original creator credit. Request a take-down →
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