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
},
{
"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
},
{
"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
},
{
"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
},
{
"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
},
{
"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
},
{
"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
},
{
"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
},
{
"id": "7ebb1aad-00ad-43fa-9e07-e5f324864a74",
"name": "Assign labels for message",
"type": "@n8n/n8n-nodes-langchain.chainLlm",
"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
},
{
"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
},
{
"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](https://youtu.be/a8Dhj3Zh9vQ). \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](https://www.youtube.com/@workfloows) and/or [my newsletter](https://workfloows.com/).\n\n**Thank you for your support!**"
},
"typeVersion": 1
},
{
"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
},
{
"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
},
{
"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
},
{
"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
},
{
"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
},
{
"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
},
{
"id": "60a9d75e-1564-4b1d-b3f2-acc2e3bf2411",
"name": "JSON Parser",
"type": "@n8n/n8n-nodes-langchain.outputParserStructured",
"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
},
{
"id": "2bdf3fed-8a7f-411a-bad4-266bfea5cede",
"name": "OpenAI Chat",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
-120,
800
],
"parameters": {
"model": "gpt-4-turbo-preview",
"options": {
"temperature": 0,
"responseFormat": "json_object"
}
},
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
}
],
"active": false,
"settings": {
"executionOrder": "v1"
},
"connections": {
"JSON Parser": {
"ai_outputParser": [
[
{
"node": "Assign labels for message",
"type": "ai_outputParser",
"index": 0
}
]
]
},
"OpenAI Chat": {
"ai_languageModel": [
[
{
"node": "Assign labels for message",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Gmail trigger": {
"main": [
[
{
"node": "Get message content",
"type": "main",
"index": 0
}
]
]
},
"Get all labels": {
"main": [
[
{
"node": "Merge corresponding labels",
"type": "main",
"index": 0
}
]
]
},
"Set label values": {
"main": [
[
{
"node": "Get all labels",
"type": "main",
"index": 0
},
{
"node": "Split out assigned labels",
"type": "main",
"index": 0
}
]
]
},
"Aggregate label IDs": {
"main": [
[
{
"node": "Add labels to message",
"type": "main",
"index": 0
}
]
]
},
"Get message content": {
"main": [
[
{
"node": "Assign labels for message",
"type": "main",
"index": 0
}
]
]
},
"Assign labels for message": {
"main": [
[
{
"node": "Set label values",
"type": "main",
"index": 0
}
]
]
},
"Split out assigned labels": {
"main": [
[
{
"node": "Merge corresponding labels",
"type": "main",
"index": 1
}
]
]
},
"Merge corresponding labels": {
"main": [
[
{
"node": "Aggregate label IDs",
"type": "main",
"index": 0
}
]
]
}
}
}
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
About this workflow
Aggregate Gmail. Uses gmailTrigger, gmail, splitOut, chainLlm. Event-driven trigger; 19 nodes.
Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →