Mauricio Perera This workflow corresponds to n8n.io template #8460 — we link there as the canonical source.
This workflow follows the Form Trigger → Googlegemini recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
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{
"nodes": [
{
"id": "3a0d9a6f-6e6e-44a3-9eb0-1755b01fed0c",
"name": "On form submission",
"type": "n8n-nodes-base.formTrigger",
"position": [
672,
-480
],
"parameters": {
"options": {},
"formTitle": "Test",
"formFields": {
"values": [
{
"fieldType": "file",
"fieldLabel": "data"
}
]
}
},
"typeVersion": 2.3
},
{
"id": "d510fda8-ceaa-4d57-8946-39a97b23f3e1",
"name": "Extract from File",
"type": "n8n-nodes-base.extractFromFile",
"position": [
832,
-480
],
"parameters": {
"options": {},
"operation": "pdf"
},
"typeVersion": 1
},
{
"id": "e070def8-b13a-49fa-ae4a-e366d1f474da",
"name": "Message a model",
"type": "@n8n/n8n-nodes-langchain.googleGemini",
"position": [
704,
-240
],
"parameters": {
"modelId": {
"__rl": true,
"mode": "list",
"value": "models/gemma-3n-e4b-it",
"cachedResultName": "models/gemma-3n-e4b-it"
},
"options": {},
"messages": {
"values": [
{
"content": "=Considera la transcripcion del invoice adjunta, reescribela como un XML siguiendo este esquema:\n\n{{ $json.estructuraXML }}\n\nInvoice:\n\n{{ $json.text_limpio }}"
}
]
}
},
"credentials": {
"googlePalmApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "4e435b5b-95da-4b6a-a888-c2f74cd96cd1",
"name": "Limpio data",
"type": "n8n-nodes-base.set",
"position": [
1104,
-480
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "ad0e7b3d-4011-4bfb-851e-c049883dc00a",
"name": "text_limpio",
"type": "string",
"value": "={{ $json.text.replace(/\\n/g, ' ') }}"
},
{
"id": "e0b6ea3e-17d6-4c18-a5f5-1b2cf98b4ddb",
"name": "estructuraXML",
"type": "string",
"value": "<invoice>\n <invoice_number>[invoice_number]</invoice_number>\n <date_of_issue>[date_of_issue]</date_of_issue>\n <due_date>[due_date]</due_date>\n\n <billed_to>\n <company_name>[billed_to.company_name]</company_name>\n <contact_name>[billed_to.contact_name]</contact_name>\n <address>[billed_to.address]</address>\n <postal_code>[billed_to.postal_code]</postal_code>\n <city>[billed_to.city]</city>\n <state>[billed_to.state]</state>\n <country>[billed_to.country]</country>\n <rfc>[billed_to.rfc]</rfc>\n </billed_to>\n\n <from>\n <company_name>[from.company_name]</company_name>\n <address>[from.address]</address>\n <postal_code>[from.postal_code]</postal_code>\n <city>[from.city]</city>\n <state>[from.state]</state>\n <country>[from.country]</country>\n <rfc>[from.rfc]</rfc>\n </from>\n\n <purchase_order>[purchase_order]</purchase_order>\n\n <items>\n <item>\n <description>[item.description]</description>\n <unit_cost>[item.unit_cost]</unit_cost>\n <quantity>[item.quantity]</quantity>\n <amount>[item.amount]</amount>\n </item>\n </items>\n\n <bank_account_details>\n <account_holder_name>[bank_account_details.account_holder_name]</account_holder_name>\n <account_number>[bank_account_details.account_number]</account_number>\n <routing_number>[bank_account_details.routing_number]</routing_number>\n <swift_code>[bank_account_details.swift_code]</swift_code>\n <bank_name>[bank_account_details.bank_name]</bank_name>\n <currency>[bank_account_details.currency]</currency>\n </bank_account_details>\n\n <financials>\n <subtotal>[subtotal]</subtotal>\n <tax_rate>[tax_rate]</tax_rate>\n <tax_amount>[tax_amount]</tax_amount>\n <shipping_cost>[shipping_cost]</shipping_cost>\n <invoice_total>[invoice_total]</invoice_total>\n </financials>\n</invoice>"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "93fd56a6-33f9-4ac2-88b2-72157beb871f",
"name": "Limpio XML",
"type": "n8n-nodes-base.set",
"position": [
1040,
-240
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "ddaad091-c54e-44d9-bf05-604e3bf43caa",
"name": "factura_limpia",
"type": "string",
"value": "={{ $json.content.parts[0].text.replace('```xml', '').replace('```', '').replace(/(\\n|\\s{2,})/g, '').replace(/(\\s<)/g, '<').replace(/(>\\s)/g, '>') }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "9d96dd97-9048-4a6f-b11c-52c30a6d3fa3",
"name": "XML to JSON",
"type": "n8n-nodes-base.xml",
"position": [
1200,
-240
],
"parameters": {
"options": {
"trim": false,
"normalize": false,
"normalizeTags": false
},
"dataPropertyName": "factura_limpia"
},
"typeVersion": 1
},
{
"id": "ee4365f4-08b5-42de-afb7-6a187272fabb",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
624,
-544
],
"parameters": {
"color": 4,
"width": 352,
"height": 240,
"content": "## PDF to text"
},
"typeVersion": 1
},
{
"id": "e6bdaed7-1cee-4412-86c8-c7409ac1231e",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
976,
-544
],
"parameters": {
"color": 2,
"width": 368,
"height": 240,
"content": "## Clean data and XML structure definition"
},
"typeVersion": 1
},
{
"id": "26faacbb-3464-46fe-8e1f-cd105942d179",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
624,
-304
],
"parameters": {
"color": 3,
"width": 352,
"height": 256,
"content": "## Generate XML string"
},
"typeVersion": 1
},
{
"id": "33493f4d-a615-4a80-8727-7ebba208f215",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
976,
-304
],
"parameters": {
"color": 5,
"width": 368,
"height": 256,
"content": "## String to XML to Json"
},
"typeVersion": 1
}
],
"connections": {
"Limpio XML": {
"main": [
[
{
"node": "XML to JSON",
"type": "main",
"index": 0
}
]
]
},
"Limpio data": {
"main": [
[
{
"node": "Message a model",
"type": "main",
"index": 0
}
]
]
},
"Message a model": {
"main": [
[
{
"node": "Limpio XML",
"type": "main",
"index": 0
}
]
]
},
"Extract from File": {
"main": [
[
{
"node": "Limpio data",
"type": "main",
"index": 0
}
]
]
},
"On form submission": {
"main": [
[
{
"node": "Extract from File",
"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.
googlePalmApi
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About this workflow
This n8n workflow converts invoices in PDF format into a structured, ready-to-use JSON, using AI and XML transformation — without writing any code. Upload form → The user uploads a PDF file. Text extraction → The PDF content is extracted as plain text. XML schema definition → A…
Source: https://n8n.io/workflows/8460/ — original creator credit. Request a take-down →
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