This workflow follows the Agent → 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": "Laboratorio4",
"nodes": [
{
"parameters": {
"updates": [
"message"
],
"additionalFields": {}
},
"type": "n8n-nodes-base.telegramTrigger",
"typeVersion": 1.2,
"position": [
-1760,
540
],
"id": "73276ef4-ff9f-4c61-9a6d-274ad6241d83",
"name": "Telegram Trigger",
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"chatId": "={{ $('Telegram Trigger').item.json.message.chat.id }}",
"text": "Hola! \ud83d\udc4b Bienvenido a tu asistente virtual de orientaci\u00f3n universitaria. Estoy aqu\u00ed para ayudarte a tomar decisiones sobre tu futuro acad\u00e9mico. \nConmigo podr\u00e1s: \n\ud83c\udf93 Descubrir qu\u00e9 grado encaja contigo seg\u00fan tus intereses \n\ud83d\udcda Saber qu\u00e9 v\u00edas de acceso tienes disponibles a la universidad \n\ud83c\udfaf Resolver dudas sobre requisitos, notas de corte y plazos importantes \n\ud83d\udcc5 Obtener informaci\u00f3n espec\u00edfica sobre carreras, universidades y tr\u00e1mites \n\nPara empezar, \u00bfpuedes decirme tu nombre?",
"additionalFields": {}
},
"type": "n8n-nodes-base.telegram",
"typeVersion": 1.2,
"position": [
-1040,
860
],
"id": "38825397-7928-457b-94ac-889ac38199bd",
"name": "Bienvenida",
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"rules": {
"values": [
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"leftValue": "={{ $json.id}}",
"rightValue": "",
"operator": {
"type": "number",
"operation": "exists",
"singleValue": true
},
"id": "57a50086-a1e8-4165-835f-31beeeab6984"
}
],
"combinator": "and"
},
"renameOutput": true,
"outputKey": "registrado"
},
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "bf4b0dec-aa57-44cc-8dbb-300573e095f2",
"leftValue": "={{ $json.estado }}",
"rightValue": "completo",
"operator": {
"type": "string",
"operation": "equals",
"name": "filter.operator.equals"
}
}
],
"combinator": "and"
},
"renameOutput": true,
"outputKey": "completo"
},
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "bdc78f05-1908-407a-b44f-cfe5bb2391a5",
"leftValue": "={{ $json}}",
"rightValue": "",
"operator": {
"type": "object",
"operation": "empty",
"singleValue": true
}
}
],
"combinator": "and"
},
"renameOutput": true,
"outputKey": "no registrado"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.switch",
"typeVersion": 3.2,
"position": [
-1200,
520
],
"id": "a6a5d349-0530-466a-ba13-37b4def6996f",
"name": "Switch"
},
{
"parameters": {
"promptType": "define",
"text": "=Eres un modelo de IA especializado en extracci\u00f3n de datos desde lenguaje natural.\n\nTarea:\n1. Si \"{{ $json.search.estado }}\" tiene un valor distinto de \"null\", analiza el contenido del campo \"{{ $json.search.mensaje }}\" y extrae exclusivamente la informaci\u00f3n directamente relacionada con ese tema.\n3. Si no encuentras informaci\u00f3n relevante, responde con: output = [\"NoINFO\"].\n4. Si encuentras informaci\u00f3n, resp\u00f3ndela en un array llamado output, conteniendo solo los datos extra\u00eddos, sin explicaciones ni texto adicional.\n\nFormato de entrada:\n[\n {\n \"search\": {\n \"estado\": \"{{ $json.search.estado }}\",\n \"mensaje\": \"{{ $json.search.mensaje }}\"\n }\n }\n]\n\nFormato de salida:\noutput = [ ... ]\n\n---\n\n### \ud83e\uddea EJEMPLOS:\n\n**Ejemplo 1:** \n```json\n{\n \"search\": {\n \"estado\": \"nombre\",\n \"mensaje\": \"Buenas tardes, soy Adrian\"\n }\n}\noutput = [\"Adrian\"]\n\n{\n \"search\": {\n \"estado\": \"edad\",\n \"mensaje\": \"Hola, me llamo Laura y tengo 21 a\u00f1os\"\n }\n}\noutput = [\"21\"]\n\nEjemplo 3:\n\n{\n \"search\": {\n \"estado\": \"ciudad\",\n \"mensaje\": \"Vivo actualmente en Valencia, aunque nac\u00ed en Sevilla\"\n }\n}\noutput = [\"Valencia\"]\n\nEjemplo 4:\n\n{\n \"search\": {\n \"estado\": \"nota de acceso a la universidad\",\n \"mensaje\": \"Mi nota de acceso fue de 12.45 sobre 14\"\n }\n}\noutput = [\"12.45\"]\n\nEjemplo 5:\n\n{\n \"search\": {\n \"estado\": \"interes\",\n \"mensaje\": \"Me interesa especialmente la biotecnolog\u00eda y la inteligencia artificial\"\n }\n}\noutput = [\"biotecnolog\u00eda\", \"inteligencia artificial\"]\n\nEjemplo 6:\n\n{\n \"search\": {\n \"estado\": \"asignaturas favoritas\",\n \"mensaje\": \"Mis asignaturas favoritas son matem\u00e1ticas y f\u00edsica\"\n }\n}\noutput = [\"matem\u00e1ticas\", \"f\u00edsica\"]\n\nEjemplo 7:\n\n{\n \"search\": {\n \"estado\": \"correo\",\n \"mensaje\": \"Mi correo es a1@mail.com\"\n }\n}\noutput = [\"a1@mail.com\"]\n\nEjemplo 8:\n\n{\n \"search\": {\n \"estado\": \"nombre\",\n \"mensaje\": \"Mi correo es usuario123@gmail.com\"\n }\n}\noutput = [\"NoINFO\"]\n\nEjemplo 9:\n\n{\n \"search\": {\n \"estado\": \"intereses\",\n \"mensaje\": \"Hola, me llamo Andrea y tengo 19 a\u00f1os\"\n }\n}\noutput = [\"NoINFO\"]\n\nEjemplo 10:\n\n{\n \"search\": {\n \"estado\": \"edad\",\n \"mensaje\": \"Hola, soy Tom\u00e1s, encantado de conocerte\"\n }\n}\noutput = [\"NoINFO\"]\n",
"hasOutputParser": true,
"options": {
"systemMessage": "Eres un modelo de IA especializado en extracci\u00f3n de datos desde lenguaje natural."
}
},
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 2,
"position": [
-840,
180
],
"id": "7a6a4209-4a72-409e-a5b7-e5eeea544882",
"name": "Stater"
},
{
"parameters": {
"model": {
"__rl": true,
"value": "gpt-4.1-nano",
"mode": "list",
"cachedResultName": "gpt-4.1-nano"
},
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"typeVersion": 1.2,
"position": [
-860,
400
],
"id": "bd368d48-1efc-4bc0-bd65-cab62bd86b5e",
"name": "OpenAI Chat Model",
"credentials": {
"openAiApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"sessionIdType": "customKey",
"sessionKey": "=22222222222222",
"contextWindowLength": 1
},
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"typeVersion": 1.3,
"position": [
-740,
420
],
"id": "977a463a-e4b2-4272-860b-a963334d2ee1",
"name": "Simple Memory"
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "4bcd4a8f-3965-49b4-94a3-a0dfa3fdd73b",
"leftValue": "",
"rightValue": "NoINFO",
"operator": {
"type": "string",
"operation": "notEquals"
}
}
],
"combinator": "and"
},
"options": {}
},
"type": "n8n-nodes-base.if",
"typeVersion": 2.2,
"position": [
-400,
180
],
"id": "d8aabf39-5583-44cf-a9d3-451bb631d705",
"name": "If1"
},
{
"parameters": {
"jsCode": "// Recoge datos de nodos anteriores\nconst mensaje = $('Telegram Trigger').first().json.message.text;\nconst estado = $input.first().json.estado;\n\n\n// Devuelve un nuevo objeto como array (n8n siempre espera arrays)\nreturn [ \n {\n search: {\n estado,\n mensaje\n }\n }\n];\n"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
-1060,
180
],
"id": "3ef29613-5600-4d80-a105-41e7e55fc3ec",
"name": "estado/msg"
},
{
"parameters": {
"useCustomSchema": true,
"operation": "getAll",
"tableId": "Estudiantes",
"returnAll": true,
"filters": {
"conditions": [
{
"keyName": "id",
"condition": "eq",
"keyValue": "={{ $json.message.from.id }}"
}
]
}
},
"type": "n8n-nodes-base.supabase",
"typeVersion": 1,
"position": [
-1560,
540
],
"id": "2025e1a9-9c37-42ba-b691-54a54bc01e49",
"name": "getStudent",
"alwaysOutputData": true,
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
},
"onError": "continueErrorOutput"
},
{
"parameters": {
"tableId": "Estudiantes",
"fieldsUi": {
"fieldValues": [
{
"fieldId": "id",
"fieldValue": "={{ $('Telegram Trigger').item.json.message.chat.id }}"
},
{
"fieldId": "nombre_persona",
"fieldValue": "null"
},
{
"fieldId": "via_acceso",
"fieldValue": "null"
},
{
"fieldId": "intereses",
"fieldValue": "null"
},
{
"fieldId": "asignaturas",
"fieldValue": "null"
},
{
"fieldId": "ciudad",
"fieldValue": "null"
},
{
"fieldId": "grado",
"fieldValue": "null"
},
{
"fieldId": "estado",
"fieldValue": "nombre_persona"
}
]
}
},
"type": "n8n-nodes-base.supabase",
"typeVersion": 1,
"position": [
-740,
860
],
"id": "b1f79fec-c887-4e30-acfd-88edfa1618f5",
"name": "createStudent",
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"jsCode": "// Obtener el estado actual del estudiante desde el JSON de entrada\nconst estado = $input.first().json.estado;\n\n// Mensajes para cada paso del proceso\nconst preguntas = {\n edad: \"\u00bfCu\u00e1l es tu edad?\",\n via_acceso: \"\u00bfCu\u00e1l es tu v\u00eda de acceso (Bachillerato, FP...)?\",\n ciudad: \"\u00bfEn qu\u00e9 ciudad resides?\",\n nota_acceso: \"\u00bfQu\u00e9 nota de acceso tienes?\",\n asignaturas: \"\u00bfCu\u00e1les son tus asignaturas favoritas?\",\n intereses: \"\u00bfQu\u00e9 temas o \u00e1reas te interesan?\",\n completado: \"Gracias, ya hemos terminado tu registro.\"\n};\n\n// Selecciona el mensaje correspondiente al estado actual\nconst salida = preguntas[estado] || \"No se ha reconocido el estado actual.\";\n\nreturn [\n {\n json: {\n mensaje: salida\n }\n }\n];\n"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
480,
100
],
"id": "52cc55ba-764b-48d1-9c3b-6790d5c1aeb3",
"name": "FaltanCampos?3"
},
{
"parameters": {
"chatId": "={{ $('Telegram Trigger').item.json.message.chat.id }}",
"text": "Disculpa, no te he entendido bien. \u00bfPuedes repetir?",
"additionalFields": {}
},
"type": "n8n-nodes-base.telegram",
"typeVersion": 1.2,
"position": [
40,
340
],
"id": "2520e976-d42a-4fa2-95d0-671cddc5e020",
"name": "error",
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "817acac5-22e7-44df-b22a-34613cb8565f",
"name": "campo",
"value": "={{ $('estado/msg').item.json.search.estado }}",
"type": "string"
},
{
"id": "e3b6a2d1-82cc-4437-86a6-738575d4bf36",
"name": "valor",
"value": "={{ $('Stater').item.json.output }}",
"type": "string"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
40,
100
],
"id": "bf249909-1219-42a6-96ed-481000efad53",
"name": "Edit Fields2"
},
{
"parameters": {
"operation": "update",
"tableId": "Estudiantes",
"filters": {
"conditions": [
{
"keyName": "id",
"condition": "eq",
"keyValue": "={{ $('Telegram Trigger').item.json.message.from.id }}"
}
]
},
"fieldsUi": {
"fieldValues": [
{
"fieldId": "={{ $json.campo }}",
"fieldValue": "={{ $json.valor }}"
}
]
}
},
"type": "n8n-nodes-base.supabase",
"typeVersion": 1,
"position": [
260,
100
],
"id": "37938889-38d5-43b7-8b66-3ce1a592b64f",
"name": "updateStudent",
"credentials": {
"supabaseApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"chatId": "={{ $('Telegram Trigger').item.json.message.chat.id }}",
"text": "={{ $json.mensaje }}",
"additionalFields": {}
},
"type": "n8n-nodes-base.telegram",
"typeVersion": 1.2,
"position": [
700,
100
],
"id": "781bc9a0-0b80-49b4-ba64-3e466c2a0ae5",
"name": "Telegram",
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
}
}
],
"connections": {
"Telegram Trigger": {
"main": [
[
{
"node": "getStudent",
"type": "main",
"index": 0
}
]
]
},
"Bienvenida": {
"main": [
[
{
"node": "createStudent",
"type": "main",
"index": 0
}
]
]
},
"Switch": {
"main": [
[
{
"node": "estado/msg",
"type": "main",
"index": 0
}
],
[],
[
{
"node": "Bienvenida",
"type": "main",
"index": 0
}
]
]
},
"Stater": {
"main": [
[
{
"node": "If1",
"type": "main",
"index": 0
}
]
]
},
"OpenAI Chat Model": {
"ai_languageModel": [
[
{
"node": "Stater",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Simple Memory": {
"ai_memory": [
[
{
"node": "Stater",
"type": "ai_memory",
"index": 0
}
]
]
},
"If1": {
"main": [
[
{
"node": "Edit Fields2",
"type": "main",
"index": 0
}
],
[
{
"node": "error",
"type": "main",
"index": 0
}
]
]
},
"estado/msg": {
"main": [
[
{
"node": "Stater",
"type": "main",
"index": 0
}
]
]
},
"getStudent": {
"main": [
[
{
"node": "Switch",
"type": "main",
"index": 0
}
],
[
{
"node": "Bienvenida",
"type": "main",
"index": 0
}
]
]
},
"FaltanCampos?3": {
"main": [
[
{
"node": "Telegram",
"type": "main",
"index": 0
}
]
]
},
"Edit Fields2": {
"main": [
[
{
"node": "updateStudent",
"type": "main",
"index": 0
}
]
]
},
"updateStudent": {
"main": [
[
{
"node": "FaltanCampos?3",
"type": "main",
"index": 0
}
]
]
}
},
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "f61d76ee-f49b-4448-8a9a-4536971b6493",
"meta": {
"templateCredsSetupCompleted": true
},
"id": "KHVnqLMh2vttk8Xe",
"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.
openAiApisupabaseApitelegramApi
Pro
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About this workflow
Laboratorio4. Uses telegramTrigger, telegram, agent, lmChatOpenAi. Event-driven trigger; 15 nodes.
Source: https://github.com/amoke1515/PruebaAccesoAdrianOlmos/blob/07a3cba1a5e3d26bba39e2a38a43e3684b186359/Laboratorio4.json — original creator credit. Request a take-down →
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