This workflow follows the Documentdefaultdataloader → OpenAI Embeddings 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 →
{
"name": "Restaurant digital transformation",
"nodes": [
{
"parameters": {
"pollTimes": {
"item": [
{
"mode": "everyMinute"
}
]
},
"triggerOn": "specificFolder",
"folderToWatch": {
"__rl": true,
"value": "1-CcvzIZHIfiWNiYWsUk8Dmnn-bbHVkOH",
"mode": "list",
"cachedResultName": "Restaurant kb",
"cachedResultUrl": "https://drive.google.com/drive/folders/1-CcvzIZHIfiWNiYWsUk8Dmnn-bbHVkOH"
},
"event": "fileCreated",
"options": {}
},
"type": "n8n-nodes-base.googleDriveTrigger",
"typeVersion": 1,
"position": [
-176,
-64
],
"id": "4c5f465a-bb2b-4147-83f9-455d01bdf1bf",
"name": "Google Drive Trigger",
"credentials": {
"googleDriveOAuth2Api": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"operation": "text",
"options": {}
},
"type": "n8n-nodes-base.extractFromFile",
"typeVersion": 1.1,
"position": [
368,
-80
],
"id": "d8b99b3d-0435-4274-a646-c8514da56f5e",
"name": "Extract from File"
},
{
"parameters": {
"operation": "download",
"fileId": {
"__rl": true,
"value": "={{ $json.file_id }}",
"mode": "id"
},
"options": {}
},
"type": "n8n-nodes-base.googleDrive",
"typeVersion": 3,
"position": [
192,
-80
],
"id": "ec387bd2-736c-41d1-9fdd-a06c58c0b047",
"name": "Download file",
"alwaysOutputData": false,
"credentials": {
"googleDriveOAuth2Api": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "edb445b9-999d-4e6b-b37e-a9783b0c6369",
"name": "file_id",
"value": "={{ $json.id }}",
"type": "string"
},
{
"id": "d1e016e7-3c34-4a96-8640-72324d447083",
"name": "file_name",
"value": "={{ $json.name }}",
"type": "string"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
-16,
-64
],
"id": "2f90c0d8-97cd-4b4e-b023-b8d7f876708d",
"name": "Edit Fields"
},
{
"parameters": {
"mode": "insert",
"tableName": {
"__rl": true,
"value": "restaurent",
"mode": "list",
"cachedResultName": "restaurent"
},
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.vectorStoreSupabase",
"typeVersion": 1.3,
"position": [
1088,
-256
],
"id": "28d86a46-20f4-44fe-83e0-8ad493ad1250",
"name": "Supabase Vector Store",
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.embeddingsOpenAi",
"typeVersion": 1.2,
"position": [
1024,
-96
],
"id": "9ee4040d-a59a-4898-8497-22ffbf30511a",
"name": "Embeddings OpenAI",
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"jsonMode": "expressionData",
"jsonData": "={{ $('Split Out').item.json.content }}{{ $('Split Out').item.json.content }}",
"textSplittingMode": "custom",
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.documentDefaultDataLoader",
"typeVersion": 1.1,
"position": [
1216,
-96
],
"id": "73fb7896-c3e9-4ecb-acc1-a03e7aae84fd",
"name": "Default Data Loader"
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 3
},
"conditions": [
{
"id": "8423209b-d5d2-4898-8d8f-61cf46153b6d",
"leftValue": "={{ $('Download file').item.json.file_name }}",
"rightValue": "menu.md",
"operator": {
"type": "string",
"operation": "equals"
}
}
],
"combinator": "and"
},
"options": {}
},
"type": "n8n-nodes-base.if",
"typeVersion": 2.3,
"position": [
544,
-80
],
"id": "9ff5ab80-2993-464e-9601-3478d1bd196a",
"name": "If"
},
{
"parameters": {
"jsCode": "const menuText = $input.first().json.data;\n\nconst lines = menuText\n .split('\\n')\n .map(line => line.trim())\n .filter(line => line !== '');\n\nlet restaurantName = '';\nlet currentCategory = '';\nconst chunks = {};\nlet chunkCounter = 1;\n\n// Get restaurant name\nfor (const line of lines) {\n if (line.startsWith('# ') && !line.startsWith('## ')) {\n restaurantName = line.replace(/^# /, '').trim();\n break;\n }\n}\n\n// Parse menu items\nfor (let i = 0; i < lines.length; i++) {\n const line = lines[i];\n\n if (line.startsWith('## ')) {\n currentCategory = line.replace(/^## /, '').trim();\n continue;\n }\n\n const match = line.match(/^\\*\\*(.+?)\\*\\*\\s+\\*\\*(.+?)\\*\\*$/);\n\n if (match) {\n const productName = match[1].trim();\n const price = match[2].trim();\n const description = lines[i + 1] ? lines[i + 1].trim() : '';\n\n chunks[`chunk${chunkCounter}`] = {\n content: `${productName}. Category: ${currentCategory}. Price: ${price}. Description: ${description}`,\n metadata: {\n restaurant_name: restaurantName || 'Not provided',\n category: currentCategory || 'Not provided',\n product_name: productName,\n price: price\n }\n };\n\n chunkCounter++;\n }\n}\n\nreturn [\n {\n json: {\n chunks\n }\n }\n];"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
688,
-272
],
"id": "f205efbd-c705-4f9a-9f32-0d6414675331",
"name": "Code in JavaScript"
},
{
"parameters": {
"fieldToSplitOut": "chunks",
"options": {}
},
"type": "n8n-nodes-base.splitOut",
"typeVersion": 1,
"position": [
880,
-256
],
"id": "42a89845-4e8e-4b65-89ab-68840ad6472b",
"name": "Split Out"
},
{
"parameters": {
"chunkSize": 2000000,
"chunkOverlap": 200
},
"type": "@n8n/n8n-nodes-langchain.textSplitterCharacterTextSplitter",
"typeVersion": 1,
"position": [
1216,
80
],
"id": "e59f57f0-6117-40a2-bf5f-4fdb2b4f2b29",
"name": "Character Text Splitter"
},
{
"parameters": {
"mode": "insert",
"tableName": {
"__rl": true,
"value": "restaurent",
"mode": "list",
"cachedResultName": "restaurent"
},
"options": {
"queryName": "match_documents"
}
},
"type": "@n8n/n8n-nodes-langchain.vectorStoreSupabase",
"typeVersion": 1.3,
"position": [
736,
16
],
"id": "fc0bbccd-a585-41dd-b064-ab0b54501ae5",
"name": "Supabase Vector Store1",
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.embeddingsOpenAi",
"typeVersion": 1.2,
"position": [
704,
224
],
"id": "69df1525-bd33-411d-a91d-b58057693d7d",
"name": "Embeddings OpenAI1",
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.documentDefaultDataLoader",
"typeVersion": 1.1,
"position": [
928,
208
],
"id": "4a996fe1-e2ea-40c2-9b3c-2c0f1438e712",
"name": "Default Data Loader1"
}
],
"connections": {
"Google Drive Trigger": {
"main": [
[
{
"node": "Edit Fields",
"type": "main",
"index": 0
}
]
]
},
"Download file": {
"main": [
[
{
"node": "Extract from File",
"type": "main",
"index": 0
}
]
]
},
"Edit Fields": {
"main": [
[
{
"node": "Download file",
"type": "main",
"index": 0
}
]
]
},
"Extract from File": {
"main": [
[
{
"node": "If",
"type": "main",
"index": 0
}
]
]
},
"Embeddings OpenAI": {
"ai_embedding": [
[
{
"node": "Supabase Vector Store",
"type": "ai_embedding",
"index": 0
}
]
]
},
"Default Data Loader": {
"ai_document": [
[
{
"node": "Supabase Vector Store",
"type": "ai_document",
"index": 0
}
]
]
},
"If": {
"main": [
[
{
"node": "Code in JavaScript",
"type": "main",
"index": 0
}
],
[
{
"node": "Supabase Vector Store1",
"type": "main",
"index": 0
}
]
]
},
"Code in JavaScript": {
"main": [
[
{
"node": "Split Out",
"type": "main",
"index": 0
}
]
]
},
"Split Out": {
"main": [
[
{
"node": "Supabase Vector Store",
"type": "main",
"index": 0
}
]
]
},
"Character Text Splitter": {
"ai_textSplitter": [
[
{
"node": "Default Data Loader",
"type": "ai_textSplitter",
"index": 0
}
]
]
},
"Embeddings OpenAI1": {
"ai_embedding": [
[
{
"node": "Supabase Vector Store1",
"type": "ai_embedding",
"index": 0
}
]
]
},
"Default Data Loader1": {
"ai_document": [
[
{
"node": "Supabase Vector Store1",
"type": "ai_document",
"index": 0
}
]
]
}
},
"active": false,
"settings": {
"executionOrder": "v1",
"binaryMode": "separate"
},
"meta": {
"templateCredsSetupCompleted": true
},
"id": "gaofNGCUYYAdlIcc",
"tags": [
{
"updatedAt": "2026-04-13T12:54:52.047Z",
"createdAt": "2026-04-13T12:54:52.047Z",
"id": "txL1kHAMwPjkvbyh",
"name": "restaurant"
}
]
}
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.
googleDriveOAuth2ApiopenAiApisupabaseApi
Pro
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About this workflow
Restaurant digital transformation. Uses googleDriveTrigger, googleDrive, vectorStoreSupabase, embeddingsOpenAi. Event-driven trigger; 14 nodes.
Source: https://github.com/Moamen-Elsharkawy/ai-restaurant-automation/blob/main/kb-ingestion.json — original creator credit. Request a take-down →
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