Preguntas

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": "Preguntas",
  "nodes": [
    {
      "parameters": {
        "inputSource": "passthrough"
      },
      "id": "c055762a-8fe7-4141-a639-df2372f30060",
      "typeVersion": 1.1,
      "name": "When Executed by Another Workflow",
      "type": "n8n-nodes-base.executeWorkflowTrigger",
      "position": [
        272,
        352
      ]
    },
    {
      "parameters": {
        "promptType": "define",
        "text": "=Consulta del usuario: \"{{ $json.query }}\"\n\nInstrucci\u00f3n: Busca la informaci\u00f3n necesaria en las herramientas 'tool_menu' o 'tool_faq' y devuelve el resumen de datos encontrados.",
        "options": {
          "systemMessage": "# ROL\nEres un Asistente de Recuperaci\u00f3n de Informaci\u00f3n de Backend.\nTu \u00daNICO objetivo es consultar las bases de datos disponibles (`tool_menu` y `tool_faq`) para encontrar la respuesta exacta a la consulta del usuario.\n\n# TUS HERRAMIENTAS\n1. **tool_menu**: \u00dasala cuando la consulta trate sobre comida, bebidas, precios, ingredientes, al\u00e9rgenos o \"qu\u00e9 trae\" una hamburguesa.\n2. **tool_faq**: \u00dasala cuando la consulta trate sobre horarios, direcciones, zonas de delivery, tiempos de demora, m\u00e9todos de pago aceptados o pol\u00edticas del local.\n\n# INSTRUCCIONES DE PROCESAMIENTO\n1. Analiza la pregunta del usuario.\n2. Decide qu\u00e9 herramienta tiene la respuesta. Si la pregunta es compleja (ej: \"\u00bfCu\u00e1nto sale la doble y hasta qu\u00e9 hora abren?\"), usa AMBAS herramientas.\n3. Ejecuta la b\u00fasqueda.\n4. Tu respuesta final debe ser SOLO UN RESUMEN T\u00c9CNICO de los datos encontrados.\n\n# REGLAS DE RESPUESTA (IMPORTANTE)\n- NO saludes, NO seas amable, NO uses emojis.\n- NO inventes informaci\u00f3n. Si la b\u00fasqueda en la tool no devuelve nada, responde: \"DATO_NO_ENCONTRADO\".\n- Si encuentras precios, incl\u00fayelos expl\u00edcitamente.\n- Si encuentras horarios, s\u00e9 espec\u00edfico.\n\n# FORMATO DE SALIDA DESEADO\nDebes devolver un texto plano estructurado as\u00ed:\n\n[DATOS ENCONTRADOS]\n- Item: [Nombre del producto/Tema]\n- Detalle: [Descripci\u00f3n, ingredientes o respuesta de la FAQ]\n- Precio/Valor: [Si aplica]\n\nEjemplo de salida correcta:\n\"[DATOS ENCONTRADOS]\n- Item: Hamburguesa Doble Queso\n- Detalle: Medall\u00f3n de carne 120g x2, queso cheddar, panceta.\n- Precio: $8500\n- Item: Horarios\n- Detalle: Lunes a Domingo de 19:00 a 23:00hs.\""
        }
      },
      "type": "@n8n/n8n-nodes-langchain.agent",
      "typeVersion": 3.1,
      "position": [
        480,
        352
      ],
      "id": "86c3586b-dc2b-4d37-9434-310de0f65970",
      "name": "AI Agent"
    },
    {
      "parameters": {
        "model": {
          "__rl": true,
          "value": "gpt-4o",
          "mode": "list",
          "cachedResultName": "gpt-4o"
        },
        "builtInTools": {},
        "options": {}
      },
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "typeVersion": 1.3,
      "position": [
        352,
        560
      ],
      "id": "a2dd4ef7-e974-4eaa-8574-4685ec52886e",
      "name": "OpenAI Chat Model",
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "operation": "get",
        "dataTableId": {
          "__rl": true,
          "value": "9qFgd1Npwmhg4Rjv",
          "mode": "list",
          "cachedResultName": "FAQ",
          "cachedResultUrl": "/projects/jBEOe5DECmoA4IC9/datatables/9qFgd1Npwmhg4Rjv"
        },
        "returnAll": true
      },
      "type": "n8n-nodes-base.dataTableTool",
      "typeVersion": 1.1,
      "position": [
        672,
        592
      ],
      "id": "14ac1989-b37f-4160-bd4d-2373628ffed3",
      "name": "FAQ"
    },
    {
      "parameters": {
        "operation": "get",
        "dataTableId": {
          "__rl": true,
          "value": "Xmqa9lNTcFTM7Y5m",
          "mode": "list",
          "cachedResultName": "Menu",
          "cachedResultUrl": "/projects/jBEOe5DECmoA4IC9/datatables/Xmqa9lNTcFTM7Y5m"
        },
        "returnAll": true
      },
      "type": "n8n-nodes-base.dataTableTool",
      "typeVersion": 1.1,
      "position": [
        560,
        592
      ],
      "id": "7cf4689d-b606-430c-80f0-c1ba91a8e619",
      "name": "Menu"
    }
  ],
  "connections": {
    "When Executed by Another Workflow": {
      "main": [
        [
          {
            "node": "AI Agent",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "AI Agent": {
      "main": [
        []
      ]
    },
    "OpenAI Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "AI Agent",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "FAQ": {
      "ai_tool": [
        [
          {
            "node": "AI Agent",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Menu": {
      "ai_tool": [
        [
          {
            "node": "AI Agent",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": true,
  "settings": {
    "executionOrder": "v1",
    "availableInMCP": false
  },
  "versionId": "b60c4f90-f3e5-4a0d-b4ef-b635ede0e247",
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "id": "raLee5YZrcNX51mQ",
  "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.

• openAiApi

About this workflow

Preguntas. Uses executeWorkflowTrigger, agent, lmChatOpenAi, dataTableTool. Event-driven trigger; 5 nodes.

Source: https://github.com/pjcdz/restaurantes/blob/8467633188cd89e4708b8011ee2a0fb39b7f1a24/n8n/Preguntas.json — original creator credit. Request a take-down →

More AI & RAG workflows → · Browse all categories →

Related workflows

Workflows that share integrations, category, or trigger type with this one. All free to copy and import.