Raquel Giugliano This workflow corresponds to n8n.io template #4849 — we link there as the canonical source.
This workflow follows the Chainllm → Google Sheets 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 →
{
"id": "5mGRqFpu73QguZPC",
"meta": {
"templateCredsSetupCompleted": true
},
"name": "ocr Telegram - SAP",
"tags": [],
"nodes": [
{
"id": "026397ff-3b84-49f4-adf1-d4e8bef01e38",
"name": "Wait",
"type": "n8n-nodes-base.wait",
"position": [
1620,
100
],
"parameters": {
"amount": 3
},
"typeVersion": 1.1
},
{
"id": "7c032e9c-edc3-4b23-89d5-66e092b37857",
"name": "Basic LLM Chain",
"type": "@n8n/n8n-nodes-langchain.chainLlm",
"position": [
1840,
-100
],
"parameters": {
"text": "={{ $json.markdown }}",
"batching": {},
"messages": {
"messageValues": [
{
"message": "Eres un asistente experto en extracci\u00f3n y procesamiento de datos de documentos especializado en identificar con precisi\u00f3n los detalles claves de una factura"
},
{
"type": "HumanMessagePromptTemplate",
"message": "=Tu tarea: Extraer de cualquier texto de factura los siguientes campos, devolviendo los datos en un JSON estructurado y con m\u00e1xima precisi\u00f3n:\n\nCampos a extraer:\nnombre_proveedor: Nombre del proveedor.\n\nruc_proveedor: RUC del proveedor.\n\ndireccion_proveedor: Direcci\u00f3n del proveedor.\n\nnumero_factura: N\u00famero de factura.\n\nfecha_emision: Fecha de emisi\u00f3n de la factura (formato YYYY-MM-DD).\n\ndetalle_productos: Lista de l\u00edneas de detalle de los productos o servicios facturados. Cada l\u00ednea incluir\u00e1:\n\ncodigo\n\ndescripcion\n\ncantidad\n\nprecio\n\nsubtotal\n\nsubtotal_factura: Subtotal general de la factura.\n\ndescuento_factura: Descuento total de la factura.\n\ntotal_neto: Total neto de la factura.\n\nFormato de salida esperado:\nSi alg\u00fan campo no existe, deber\u00e1 devolverse como null.\nDevuelve siempre el JSON con los nombres exactos de las claves.\n\nEjemplo de salida esperado:\n\n{\n \"nombre_proveedor\": \"Blockies Corporation\",\n \"ruc_proveedor\": \"78787878-7\",\n \"direccion_proveedor\": \"AV. DE LAS ARTES NORTE NRO. 310 (ESPALDA RAMBLA DE JAVIER PRADO) LIMA - LIMA - SAN BORJA\",\n \"numero_factura\": \"00003\",\n \"fecha_emision\": \"2025-04-15\",\n \"detalle_productos\": [\n {\n \"codigo\": \"srv001\",\n \"descripcion\": \"Servicio de Alquiler de Montacargas\",\n \"cantidad\": 1,\n \"precio\": 35.00,\n \"subtotal\": 35.00\n }\n ],\n \"subtotal_factura\": 35.00,\n \"descuento_factura\": 0.00,\n \"total_neto\": 35.00\n}\nInstrucciones adicionales:\nNo resumas, no expliques, no a\u00f1adas comentarios, solo responde con el JSON.\n\nSi existen varias l\u00edneas de productos, incluir todas dentro del array \"detalle_productos\".\n\nNo redondees importes, extrae exactamente el valor mostrado.\n\nLas fechas deben estar siempre en formato YYYY-MM-DD."
}
]
},
"promptType": "define",
"hasOutputParser": true
},
"typeVersion": 1.7
},
{
"id": "036c0443-0224-4a2f-9a9a-c7d9feebbdc3",
"name": "OpenAI Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
1840,
80
],
"parameters": {
"model": {
"__rl": true,
"mode": "list",
"value": "gpt-4o-mini"
},
"options": {}
},
"typeVersion": 1.2
},
{
"id": "0af0d3fb-6b87-44b4-8fe8-3c992c74a10d",
"name": "No Operation, do nothing",
"type": "n8n-nodes-base.noOp",
"position": [
760,
820
],
"parameters": {},
"typeVersion": 1
},
{
"id": "a9201f0b-e504-45c2-ade0-86004ba5e323",
"name": "Split Out",
"type": "n8n-nodes-base.splitOut",
"position": [
2280,
-100
],
"parameters": {
"options": {},
"fieldToSplitOut": "output.detalle_productos"
},
"typeVersion": 1
},
{
"id": "8a189ae2-64d4-459b-a8fd-81b4423cf135",
"name": "Merge",
"type": "n8n-nodes-base.merge",
"position": [
2240,
540
],
"parameters": {
"mode": "combine",
"options": {},
"combineBy": "combineByPosition"
},
"typeVersion": 3.2
},
{
"id": "b13a0de4-a00e-4b38-8b12-fa9c2b1825d9",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-140,
460
],
"parameters": {
"width": 3720,
"height": 560,
"content": "## Waiting for an answer on telegram"
},
"typeVersion": 1
},
{
"id": "4aa3c30a-4a2c-4168-866d-4e1b8a3651f5",
"name": "Callback Waiting Answer",
"type": "n8n-nodes-base.telegramTrigger",
"position": [
-40,
640
],
"parameters": {
"updates": [
"callback_query"
],
"additionalFields": {}
},
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.2
},
{
"id": "8b49790e-fc03-4a1b-944c-139e383a0a46",
"name": "Answer?",
"type": "n8n-nodes-base.switch",
"position": [
300,
640
],
"parameters": {
"rules": {
"values": [
{
"outputKey": "SI",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "c3ae2bff-a96d-4f42-b0b3-e04f8ef372d1",
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.callback_query.data }}",
"rightValue": "respuesta_si"
}
]
},
"renameOutput": true
},
{
"outputKey": "NO",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "59ccf0b4-bb12-4c10-b289-354be138f96c",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.callback_query.data }}",
"rightValue": "respuesta_no"
}
]
},
"renameOutput": true
}
]
},
"options": {}
},
"typeVersion": 3.2
},
{
"id": "a958d830-0608-4d9b-a14d-922869c9fbd3",
"name": "Connect to SAP",
"type": "n8n-nodes-base.httpRequest",
"position": [
760,
520
],
"parameters": {
"url": "={{ $vars.url_sap }}Login",
"method": "POST",
"options": {
"allowUnauthorizedCerts": true
},
"jsonBody": "={\n \"UserName\": \"{{ $vars.user_sap }}\",\n \"Password\": \"{{ $vars.password_sap }}\",\n \"CompanyDB\": \"{{ $vars.company_db }}\"\n}",
"sendBody": true,
"specifyBody": "json"
},
"typeVersion": 4.2,
"alwaysOutputData": false
},
{
"id": "ec4c8074-6aa8-4f89-812c-3d6305a10d60",
"name": "Get Header",
"type": "n8n-nodes-base.googleSheets",
"position": [
1160,
520
],
"parameters": {
"sheetName": {
"__rl": true,
"mode": "list",
"value": "",
"cachedResultUrl": "",
"cachedResultName": ""
},
"documentId": {
"__rl": true,
"mode": "list",
"value": ""
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 4.6
},
{
"id": "5e290a19-236a-4baa-9093-1b32f486b058",
"name": "Get Row Details",
"type": "n8n-nodes-base.googleSheets",
"position": [
1560,
680
],
"parameters": {
"sheetName": {
"__rl": true,
"mode": "list",
"value": "",
"cachedResultUrl": "",
"cachedResultName": ""
},
"documentId": {
"__rl": true,
"mode": "list",
"value": ""
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 4.6,
"alwaysOutputData": false
},
{
"id": "42edf631-ee30-4b6f-b10b-fa53ee148c26",
"name": "Generate DocumentLines",
"type": "n8n-nodes-base.code",
"position": [
1880,
680
],
"parameters": {
"jsCode": "const items = $input.all(); // capturamos todos los items que entran\nconst DocumentLines = [];\n\nfor (let i = 0; i < items.length; i++) {\n const item = items[i].json;\n\n DocumentLines.push({\n ItemCode: item.c\u00f3digo,\n Quantity: item.cantidad,\n UnitPrice: item.precio\n });\n}\n\nreturn [{ DocumentLines }];\n"
},
"typeVersion": 2
},
{
"id": "d9d54a86-50e7-469a-88a2-c5860459bf99",
"name": "Create JSON",
"type": "n8n-nodes-base.code",
"position": [
2580,
540
],
"parameters": {
"jsCode": "const item = $json;\n\n// Construimos el objeto final para SAP\nreturn [{\n DocDate: item.fecha_emision,\n DocDueDate: item.fecha_emision,\n CardCode: item.ruc_proveedor,\n DocumentLines: item.DocumentLines\n}];"
},
"typeVersion": 2
},
{
"id": "dfbd5b4b-a545-4062-bfdb-1d383c8277f6",
"name": "POST PurchaseInvoices",
"type": "n8n-nodes-base.httpRequest",
"position": [
2980,
540
],
"parameters": {
"url": "={{ $vars.url_sap }}PurchaseInvoices",
"body": "={{ JSON.stringify($json) }}",
"method": "POST",
"options": {
"allowUnauthorizedCerts": true
},
"sendBody": true,
"contentType": "raw",
"sendHeaders": true,
"rawContentType": "application/json",
"headerParameters": {
"parameters": [
{
"name": "Cookie",
"value": "=B1SESSION={{ $('Connect to SAP').item.json.SessionId }}"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "ec33a3bf-2632-4f49-b0c8-4fe1284c90df",
"name": "PurchaseInvoices created",
"type": "n8n-nodes-base.telegram",
"position": [
3360,
540
],
"parameters": {
"text": "=PurchaseInvoice {{ $json.DocEntry }} creada en SAP correctamente",
"chatId": "={{ $('Callback Waiting Answer').item.json.callback_query.message.chat.id }}",
"additionalFields": {
"appendAttribution": false
}
},
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.2
},
{
"id": "311d3616-3ebf-439f-8d6f-f5aa18e89bc6",
"name": "Trigger Receive Message",
"type": "n8n-nodes-base.telegramTrigger",
"position": [
0,
0
],
"parameters": {
"updates": [
"message"
],
"additionalFields": {}
},
"typeVersion": 1.2
},
{
"id": "c01eb2e3-7aa8-4a4c-897f-4414816fa459",
"name": "Capture Telegram Data",
"type": "n8n-nodes-base.set",
"position": [
260,
0
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "b6e43e6c-452f-4747-b17c-2de6191fb0f0",
"name": "message.chat.id",
"type": "number",
"value": "={{ $json.message.chat.id }}"
},
{
"id": "a82f3829-5ce1-4a94-b7e0-a1449f7a3da6",
"name": "message.chat",
"type": "object",
"value": "={{ $json.message.chat }}"
},
{
"id": "619ffe10-2bea-4bda-a356-501562628bc5",
"name": "telegram.file_id",
"type": "string",
"value": "={{ $json.message.document.file_id }}"
},
{
"id": "afbbdb8a-47e8-4b33-8f81-91989d1121af",
"name": "message.caption",
"type": "string",
"value": "={{ $('Trigger Receive Message').item.json.message.caption }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "bacef005-e65c-4894-aa0b-8ef34033daac",
"name": "File Received",
"type": "n8n-nodes-base.telegram",
"position": [
500,
0
],
"parameters": {
"text": "Hemos recibido tu documento y lo estamos procesando...",
"chatId": "={{ $json.message.chat.id }}",
"additionalFields": {
"appendAttribution": false
}
},
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.2
},
{
"id": "01bae880-e0d1-449f-b459-94b7a56b3adb",
"name": "Download File",
"type": "n8n-nodes-base.telegram",
"position": [
720,
0
],
"parameters": {
"fileId": "={{ $('Capture Telegram Data').item.json.telegram.file_id }}",
"resource": "file"
},
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
},
"typeVersion": 1.2
},
{
"id": "86e1b80a-302d-4010-a740-ce916f8f74df",
"name": "Upload File LlamaIndex",
"type": "n8n-nodes-base.httpRequest",
"position": [
940,
0
],
"parameters": {
"url": "https://api.cloud.llamaindex.ai/api/v1/parsing/upload",
"method": "POST",
"options": {},
"sendBody": true,
"contentType": "multipart-form-data",
"sendHeaders": true,
"bodyParameters": {
"parameters": [
{
"name": "file",
"parameterType": "formBinaryData",
"inputDataFieldName": "data"
}
]
},
"headerParameters": {
"parameters": [
{
"name": "accept",
"value": "application/json"
},
{
"name": "Authorization",
"value": "=Bearer {{ $vars.llamaindex_apikey }}"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "92f93bbd-3192-40aa-b81f-bf5165e3dc35",
"name": "Validate Status LlamaIndex",
"type": "n8n-nodes-base.httpRequest",
"position": [
1180,
0
],
"parameters": {
"url": "=https://api.cloud.llamaindex.ai/api/v1/parsing/job/{{ $json.id }}",
"options": {},
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "accept",
"value": "application/json"
},
{
"name": "Authorization",
"value": "=Bearer {{ $vars.llamaindex_apikey }}"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "4914e5d3-ec4e-4c96-b6c1-6f2ede2b5b38",
"name": "Status?",
"type": "n8n-nodes-base.switch",
"position": [
1400,
0
],
"parameters": {
"rules": {
"values": [
{
"outputKey": "SUCCESS",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "7005abbb-4094-4dde-9cc5-b973fe54a09e",
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.status }}",
"rightValue": "SUCCESS"
}
]
},
"renameOutput": true
},
{
"outputKey": "PENDING",
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "b4bdda84-6e9d-44c9-a85c-fd87d7427765",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.status }}",
"rightValue": "PENDING"
}
]
},
"renameOutput": true
}
]
},
"options": {}
},
"typeVersion": 3.2
},
{
"id": "d2c19099-01c7-4547-aa3e-944c16009aaf",
"name": "Get Results LlamaIndex",
"type": "n8n-nodes-base.httpRequest",
"position": [
1620,
-100
],
"parameters": {
"url": "=https://api.cloud.llamaindex.ai/api/v1/parsing/job/{{ $json.id }}/result/markdown",
"options": {},
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "accept",
"value": "application/json"
},
{
"name": "Authorization",
"value": "=Bearer {{ $vars.llamaindex_apikey }}"
}
]
}
},
"typeVersion": 4.2
},
{
"id": "c0ba5071-56b6-45c0-b0ad-bb87b8c543ca",
"name": "Structured Output Parser (Example)",
"type": "@n8n/n8n-nodes-langchain.outputParserStructured",
"position": [
2060,
60
],
"parameters": {
"jsonSchemaExample": "{\n \"nombre_proveedor\": \"Blockies Corporation\",\n \"ruc_proveedor\": \"78787878-7\",\n \"direccion_proveedor\": \"AV. DE LAS ARTES NORTE NRO. 310 (ESPALDA RAMBLA DE JAVIER PRADO) LIMA - LIMA - SAN BORJA\",\n \"numero_factura\": \"00003\",\n \"fecha_emision\": \"2025-04-15\",\n \"detalle_productos\": [\n {\n \"codigo\": \"srv001\",\n \"descripcion\": \"Servicio de Alquiler de Montacargas\",\n \"cantidad\": 1,\n \"precio\": 35.00,\n \"subtotal\": 35.00\n }\n ],\n \"subtotal_factura\": 35.00,\n \"descuento_factura\": 0.00,\n \"total_neto\": 35.00\n}"
},
"typeVersion": 1.2
},
{
"id": "f62a9650-a966-4efa-a9ec-ee166e4e3881",
"name": "Detail",
"type": "n8n-nodes-base.googleSheets",
"position": [
2480,
80
],
"parameters": {
"columns": {
"value": {
"precio": "={{ $('Split Out').item.json.precio }}",
"c\u00f3digo": "={{ $('Split Out').item.json.codigo }}",
"cantidad": "={{ $('Split Out').item.json.cantidad }}",
"subtotal": "={{ $('Split Out').item.json.subtotal }}",
"descripcion": "={{ $('Split Out').item.json.descripcion }}",
"numero_factura": "={{ $('Basic LLM Chain').item.json.output.numero_factura }}"
},
"schema": [
{
"id": "numero_factura",
"type": "string",
"display": true,
"required": false,
"displayName": "numero_factura",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "c\u00f3digo",
"type": "string",
"display": true,
"required": false,
"displayName": "c\u00f3digo",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "descripcion",
"type": "string",
"display": true,
"required": false,
"displayName": "descripcion",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "cantidad",
"type": "string",
"display": true,
"required": false,
"displayName": "cantidad",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "precio",
"type": "string",
"display": true,
"required": false,
"displayName": "precio",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "subtotal",
"type": "string",
"display": true,
"required": false,
"displayName": "subtotal",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "defineBelow",
"matchingColumns": [],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {},
"operation": "append",
"documentId": {
"__rl": true,
"mode": "list",
"value": ""
}
},
"typeVersion": 4.6
},
{
"id": "ec718e9d-d729-4493-8439-78cf63394e28",
"name": "Header",
"type": "n8n-nodes-base.googleSheets",
"position": [
2620,
-100
],
"parameters": {
"operation": "append",
"sheetName": {
"__rl": true,
"mode": "list",
"value": ""
},
"documentId": {
"__rl": true,
"mode": "list",
"value": ""
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
},
"executeOnce": true,
"typeVersion": 4.6
},
{
"id": "d30ac579-8f31-471f-89d6-e27b6b99a4f3",
"name": "\u00bfUpload to SAP?",
"type": "n8n-nodes-base.telegram",
"position": [
2900,
-100
],
"parameters": {
"text": "=\u00bfQuieres enviar los datos a SAP?",
"chatId": "={{ $('Capture Telegram Data').item.json.message.chat.id }}",
"replyMarkup": "inlineKeyboard",
"inlineKeyboard": {
"rows": [
{
"row": {
"buttons": [
{
"text": "Si",
"additionalFields": {
"callback_data": "respuesta_si"
}
},
{
"text": "No",
"additionalFields": {
"callback_data": "respuesta_no"
}
}
]
}
}
]
},
"additionalFields": {
"appendAttribution": false
}
},
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
},
"executeOnce": true,
"typeVersion": 1.2
},
{
"id": "e80fa814-502a-4af1-8c3f-8b35c65ed0eb",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-120,
-180
],
"parameters": {
"color": 7,
"width": 3280,
"height": 540,
"content": "## Send data and OCR with LlamaIndex\n"
},
"typeVersion": 1
}
],
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "c7b1fdbb-20e4-48aa-b67a-7da7ceee2fa7",
"connections": {
"Wait": {
"main": [
[
{
"node": "Validate Status LlamaIndex",
"type": "main",
"index": 0
}
]
]
},
"Merge": {
"main": [
[
{
"node": "Create JSON",
"type": "main",
"index": 0
}
]
]
},
"Detail": {
"main": [
[
{
"node": "Header",
"type": "main",
"index": 0
}
]
]
},
"Header": {
"main": [
[
{
"node": "\u00bfUpload to SAP?",
"type": "main",
"index": 0
}
]
]
},
"Answer?": {
"main": [
[
{
"node": "Connect to SAP",
"type": "main",
"index": 0
}
],
[
{
"node": "No Operation, do nothing",
"type": "main",
"index": 0
}
]
]
},
"Status?": {
"main": [
[
{
"node": "Get Results LlamaIndex",
"type": "main",
"index": 0
}
],
[
{
"node": "Wait",
"type": "main",
"index": 0
}
]
]
},
"Split Out": {
"main": [
[
{
"node": "Detail",
"type": "main",
"index": 0
}
]
]
},
"Get Header": {
"main": [
[
{
"node": "Get Row Details",
"type": "main",
"index": 0
},
{
"node": "Merge",
"type": "main",
"index": 0
}
]
]
},
"Create JSON": {
"main": [
[
{
"node": "POST PurchaseInvoices",
"type": "main",
"index": 0
}
]
]
},
"Download File": {
"main": [
[
{
"node": "Upload File LlamaIndex",
"type": "main",
"index": 0
}
]
]
},
"File Received": {
"main": [
[
{
"node": "Download File",
"type": "main",
"index": 0
}
]
]
},
"Connect to SAP": {
"main": [
[
{
"node": "Get Header",
"type": "main",
"index": 0
}
]
]
},
"Basic LLM Chain": {
"main": [
[
{
"node": "Split Out",
"type": "main",
"index": 0
}
]
]
},
"Get Row Details": {
"main": [
[
{
"node": "Generate DocumentLines",
"type": "main",
"index": 0
}
]
]
},
"\u00bfUpload to SAP?": {
"main": [
[]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "Basic LLM Chain",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Capture Telegram Data": {
"main": [
[
{
"node": "File Received",
"type": "main",
"index": 0
}
]
]
},
"POST PurchaseInvoices": {
"main": [
[
{
"node": "PurchaseInvoices created",
"type": "main",
"index": 0
}
]
]
},
"Generate DocumentLines": {
"main": [
[
{
"node": "Merge",
"type": "main",
"index": 1
}
]
]
},
"Get Results LlamaIndex": {
"main": [
[
{
"node": "Basic LLM Chain",
"type": "main",
"index": 0
}
]
]
},
"Upload File LlamaIndex": {
"main": [
[
{
"node": "Validate Status LlamaIndex",
"type": "main",
"index": 0
}
]
]
},
"Callback Waiting Answer": {
"main": [
[
{
"node": "Answer?",
"type": "main",
"index": 0
}
]
]
},
"Trigger Receive Message": {
"main": [
[
{
"node": "Capture Telegram Data",
"type": "main",
"index": 0
}
]
]
},
"Validate Status LlamaIndex": {
"main": [
[
{
"node": "Status?",
"type": "main",
"index": 0
}
]
]
},
"Structured Output Parser (Example)": {
"ai_outputParser": [
[
{
"node": "Basic LLM Chain",
"type": "ai_outputParser",
"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.
googleSheetsOAuth2ApitelegramApi
Pro
For the full experience including quality scoring and batch install features for each workflow upgrade to Pro
About this workflow
++HOW IT WORKS:++ This workflow automates the processing of invoices sent via Telegram. It extracts the data using LlamaIndex OCR, logs it in Google Sheets, and optionally pushes the structured data to SAP Business One
Source: https://n8n.io/workflows/4849/ — original creator credit. Request a take-down →
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