{
  "name": "answer · 67 Lab 01 challenge (sources)",
  "id": "w67ans01src00001",
  "nodes": [
    {
      "parameters": {
        "httpMethod": "POST",
        "path": "my-it-agent",
        "responseMode": "responseNode",
        "options": {}
      },
      "name": "IT question webhook",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 2,
      "position": [
        0,
        300
      ],
      "webhookId": "7f87f843-9da9-5388-8f17-11b3d4c71ac6",
      "id": "f547d3d4-af4a-5424-988b-1d546f7373d1"
    },
    {
      "parameters": {
        "promptType": "define",
        "text": "={{ $('IT question webhook').first().json.body.question }}",
        "options": {
          "systemMessage": "You are the company IT help agent. Use the Search_FAQ tool for every question and answer only from the tool result, in Korean, in at most 3 sentences. If the tool finds nothing related, do not guess: answer exactly \"FAQ에서 답을 찾지 못했습니다. IT 문의 창구로 연결해 드릴게요.\"",
          "maxIterations": 5,
          "returnIntermediateSteps": true
        }
      },
      "name": "IT help agent",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "typeVersion": 3.1,
      "position": [
        260,
        300
      ],
      "id": "cda334fc-bcad-53d3-a95b-b028b7f720d1"
    },
    {
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "id",
          "value": "gpt-4.1-mini"
        },
        "options": {
          "temperature": 0
        }
      },
      "name": "OpenAI chat model",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "typeVersion": 1.2,
      "position": [
        160,
        520
      ],
      "credentials": {
        "openAiApi": {
          "id": "openAiCourse0001",
          "name": "OpenAI (.env)"
        }
      },
      "id": "98b006e6-36f0-5d8d-befe-7cd9d91043ba"
    },
    {
      "parameters": {
        "toolDescription": "Search the company IT FAQ for how-to and problem questions (password, account lock, VPN, printer, mail, software). Input: keywords of the question in Korean.",
        "url": "http://data-api:8800/faq",
        "sendQuery": true,
        "queryParameters": {
          "parameters": [
            {
              "name": "q",
              "value": "={{ $fromAI('query', 'Keywords of the IT question in Korean', 'string') }}"
            }
          ]
        },
        "options": {}
      },
      "name": "Search FAQ",
      "type": "n8n-nodes-base.httpRequestTool",
      "typeVersion": 4.2,
      "position": [
        360,
        520
      ],
      "id": "22ee62d8-43a3-517b-99e6-cbdbba5f579b"
    },
    {
      "parameters": {
        "jsCode": "// Collect tool names and the FAQ ids that the tools really returned.\nconst steps = $json.intermediateSteps ?? [];\nconst toolsUsed = [...new Set(steps.map(step => step.action?.tool).filter(Boolean))];\nconst text = steps.map(step => typeof step.observation === 'string' ? step.observation : JSON.stringify(step.observation ?? '')).join('\\n');\nconst sources = [...new Set(text.match(/FAQ-\\d{3}/g) ?? [])];\nreturn [{ json: { answer: String($json.output ?? '').trim(), tools_used: toolsUsed, sources } }];"
      },
      "name": "Collect sources",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        520,
        300
      ],
      "id": "8c84a825-fc29-5026-b904-8fb60b90be31"
    },
    {
      "parameters": {
        "respondWith": "json",
        "responseBody": "={{ $json }}",
        "options": {}
      },
      "name": "Send result",
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1.1,
      "position": [
        760,
        300
      ],
      "id": "7faecce5-33cd-5300-a96b-b5190d636c65"
    }
  ],
  "connections": {
    "IT question webhook": {
      "main": [
        [
          {
            "node": "IT help agent",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "IT help agent": {
      "main": [
        [
          {
            "node": "Collect sources",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Collect sources": {
      "main": [
        [
          {
            "node": "Send result",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI chat model": {
      "ai_languageModel": [
        [
          {
            "node": "IT help agent",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Search FAQ": {
      "ai_tool": [
        [
          {
            "node": "IT help agent",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1"
  },
  "active": false,
  "pinData": {}
}