This workflow follows the Google Drive → OpenAI Chat 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": "6-[Frontend]-GenerateDocument",
"nodes": [
{
"parameters": {
"httpMethod": "POST",
"path": "legal-ai/generate-document",
"options": {}
},
"id": "nodeWebHook",
"name": "Webhook",
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"position": [
-1020,
220
]
},
{
"parameters": {
"assignments": {
"assignments": [
{
"name": "type",
"value": "={{ $json.body.type || 'generic' }}",
"type": "string"
},
{
"name": "documentType",
"value": "={{ $json.body.documentType || '' }}",
"type": "string"
},
{
"name": "description",
"value": "={{ $json.body.description || '' }}",
"type": "string"
},
{
"name": "templateKey",
"value": "={{ $json.body.templateKey || '' }}",
"type": "string"
},
{
"name": "notes",
"value": "={{ $json.body.notes || '' }}",
"type": "string"
}
]
}
},
"id": "nodeParseRequest",
"name": "Parse Request",
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
-780,
220
]
},
{
"parameters": {
"conditions": {
"conditions": [
{
"leftValue": "={{ $json.type }}",
"rightValue": "template",
"operator": {
"type": "string",
"operation": "equals"
}
}
]
}
},
"id": "nodeIsTemplate",
"name": "Is Template?",
"type": "n8n-nodes-base.if",
"typeVersion": 2.1,
"position": [
-540,
220
]
},
{
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4o-mini"
},
"options": {
"temperature": 0.2,
"frequencyPenalty": 0,
"presencePenalty": 0,
"responseFormat": "json"
},
"messages": {
"messageValues": [
{
"message": "Eres un asistente legal que redacta documentos en espa\u00f1ol profesional. Tipo: {{ $json.documentType || 'Documento Legal' }}. Descripci\u00f3n: {{ $json.description }}. Devuelve JSON con {\\\"title\\\", \\\"summary\\\", \\\"content\\\" (HTML)}."
}
]
}
},
"id": "nodeGenerateGeneric",
"name": "Generar Borrador",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"typeVersion": 1.2,
"position": [
-240,
40
],
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"assignments": {
"assignments": [
{
"name": "status",
"value": "success",
"type": "string"
},
{
"name": "mode",
"value": "generic",
"type": "string"
},
{
"name": "title",
"value": "={{ $json.output.title || `${$json.documentType} - ${new Date().toLocaleDateString('es-AR')}` }}",
"type": "string"
},
{
"name": "summary",
"value": "={{ $json.output.summary || '' }}",
"type": "string"
},
{
"name": "content",
"value": "={{ $json.output.content || '' }}",
"type": "string"
},
{
"name": "message",
"value": "Borrador generado correctamente. Puedes copiar el contenido o pegarlo en un documento nuevo.",
"type": "string"
}
]
}
},
"id": "nodePrepareGenericResponse",
"name": "Preparar Respuesta Gen\u00e9rica",
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
0,
40
]
},
{
"parameters": {
"options": {}
},
"id": "nodeRespondGeneric",
"name": "Responder Gen\u00e9rico",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"position": [
240,
40
]
},
{
"parameters": {
"functionCode": "const templates = {\n intimacion: { fileId: 'REEMPLAZA_CON_ID_INTIMACION', titlePrefix: 'Redacci\u00f3n Intimaci\u00f3n' },\n carta_documento: { fileId: 'REEMPLAZA_CON_ID_CARTA_DOCUMENTO', titlePrefix: 'Carta Documento' },\n demanda: { fileId: 'REEMPLAZA_CON_ID_DEMANDA', titlePrefix: 'Demanda' },\n contrato: { fileId: 'REEMPLAZA_CON_ID_CONTRATO', titlePrefix: 'Contrato' },\n poder: { fileId: 'REEMPLAZA_CON_ID_PODER', titlePrefix: 'Poder' }\n};\nconst key = (item.templateKey || '').toLowerCase();\nif (!templates[key]) {\n throw new Error(`Plantilla no configurada para la clave: ${item.templateKey}`);\n}\nreturn {\n ...item,\n templateConfig: templates[key],\n destinationFolderId: 'REEMPLAZA_CON_ID_CARPETA_REDACCIONES'\n};"
},
"id": "nodeSelectTemplate",
"name": "Seleccionar Plantilla",
"type": "n8n-nodes-base.function",
"typeVersion": 2,
"position": [
-300,
360
]
},
{
"parameters": {
"operation": "copy",
"fileId": "={{ $json.templateConfig.fileId }}",
"options": {
"parentId": "={{ $json.destinationFolderId }}",
"name": "={{ `${$json.templateConfig.titlePrefix} - ${(new Date()).toISOString().split('T')[0]}` }}"
}
},
"id": "nodeCopyTemplate",
"name": "Duplicar Plantilla",
"type": "n8n-nodes-base.googleDrive",
"typeVersion": 3,
"position": [
-40,
360
],
"credentials": {
"googleDriveOAuth2Api": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"assignments": {
"assignments": [
{
"name": "status",
"value": "success",
"type": "string"
},
{
"name": "mode",
"value": "template",
"type": "string"
},
{
"name": "driveUrl",
"value": "={{ $json.webViewLink || '' }}",
"type": "string"
},
{
"name": "fileId",
"value": "={{ $json.id || '' }}",
"type": "string"
},
{
"name": "message",
"value": "Documento duplicado correctamente en la carpeta de redacciones. Completa los campos variables y revisa antes de compartir.",
"type": "string"
}
]
}
},
"id": "nodePrepareTemplateResponse",
"name": "Preparar Respuesta Plantilla",
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
200,
360
]
},
{
"parameters": {
"options": {}
},
"id": "nodeRespondTemplate",
"name": "Responder Plantilla",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"position": [
440,
360
]
},
{
"parameters": {
"content": "## Flujo de generaci\u00f3n de documentos\n\n- Webhook: POST /legal-ai/generate-document\n- type=generic -> devuelve title/summary/content (HTML).\n- type=template -> duplica la plantilla en Google Drive.\n\n\u26a0\ufe0f Reemplaza los IDs de plantillas y la carpeta destino en el nodo \"Seleccionar Plantilla\".",
"height": 360,
"width": 720,
"color": 4
},
"id": "nodeNote",
"name": "Notas",
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
-600,
-80
]
}
],
"connections": {
"Webhook": {
"main": [
[
{
"node": "Parse Request",
"type": "main",
"index": 0
}
]
]
},
"Parse Request": {
"main": [
[
{
"node": "Is Template?",
"type": "main",
"index": 0
}
]
]
},
"Is Template?": {
"main": [
[
{
"node": "Generar Borrador",
"type": "main",
"index": 0
}
],
[
{
"node": "Seleccionar Plantilla",
"type": "main",
"index": 0
}
]
]
},
"Generar Borrador": {
"main": [
[
{
"node": "Preparar Respuesta Gen\u00e9rica",
"type": "main",
"index": 0
}
]
]
},
"Preparar Respuesta Gen\u00e9rica": {
"main": [
[
{
"node": "Responder Gen\u00e9rico",
"type": "main",
"index": 0
}
]
]
},
"Seleccionar Plantilla": {
"main": [
[
{
"node": "Duplicar Plantilla",
"type": "main",
"index": 0
}
]
]
},
"Duplicar Plantilla": {
"main": [
[
{
"node": "Preparar Respuesta Plantilla",
"type": "main",
"index": 0
}
]
]
},
"Preparar Respuesta Plantilla": {
"main": [
[
{
"node": "Responder Plantilla",
"type": "main",
"index": 0
}
]
]
}
},
"active": true,
"settings": {
"executionOrder": "v1"
},
"id": "generate-document-frontend",
"tags": []
}
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.
googleDriveOAuth2ApiopenAiApi
Pro
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About this workflow
6-[Frontend]-GenerateDocument. Uses lmChatOpenAi, googleDrive. Webhook trigger; 11 nodes.
Source: https://github.com/aiporvos/chatflow-legal/blob/4550e8fdbfea03a0d42723e14d17f8c62351e8d1/flujos/6-[Frontend]-GenerateDocument.json — original creator credit. Request a take-down →
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