learner.json

{
  "name": "08 - AI Support Agent",
  "nodes": [
    {
      "parameters": {
        "public": true,
        "mode": "hostedChat",
        "initialMessages": "Hi! 👋 I'm the Brewlab support assistant. I can check your order status, answer questions about shipping and returns, or open a ticket for our team.",
        "options": {
          "title": "Brewlab Support",
          "subtitle": "Usually answers instantly",
          "inputPlaceholder": "Ask about your order…",
          "showWelcomeScreen": false
        }
      },
      "id": "m08-chat",
      "name": "Support Chat",
      "type": "@n8n/n8n-nodes-langchain.chatTrigger",
      "typeVersion": 1.4,
      "position": [0, 0],
      "webhookId": "course-08-support-chat"
    },
    {
      "parameters": {
        "options": {
          "systemMessage": "=You are the friendly support assistant for Brewlab Coffee Co., an online shop selling coffee beans and brewing gear.\n\nToday is {{ $now.toFormat('yyyy-MM-dd') }}.\n\nSTORE POLICIES (the only facts you may state about the store):\n- Shipping: orders ship within 1 business day. US delivery takes 2–5 business days; international 7–14.\n- Free US shipping on orders over $40.\n- Returns: unopened items within 30 days for a full refund. Opened coffee cannot be returned, but if it arrived damaged or stale we replace it free.\n- Order IDs look like A1001.\n- Support hours for humans: Mon–Fri, 9am–5pm CT.\n\nRULES:\n- Use the lookup_order tool whenever the customer gives an order ID or asks about an order. Never guess order details.\n- If you cannot solve the problem, or the customer asks for a human, or something was damaged, use create_support_ticket and give them the ticket ID.\n- Ask for the order ID or email if you need it.\n- Keep answers under 80 words. Be warm and concrete.\n- If a question is unrelated to Brewlab, politely say you can only help with Brewlab orders.",
          "maxIterations": 6
        }
      },
      "id": "m08-agent",
      "name": "Support Agent",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "typeVersion": 3.1,
      "position": [260, 0]
    },
    {
      "parameters": {
        "model": { "__rl": true, "mode": "list", "value": "gpt-5-mini", "cachedResultName": "gpt-5-mini" },
        "options": {}
      },
      "id": "m08-model",
      "name": "OpenAI Chat Model",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "typeVersion": 1.3,
      "position": [120, 240]
    },
    {
      "parameters": { "contextWindowLength": 10 },
      "id": "m08-memory",
      "name": "Conversation Memory",
      "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
      "typeVersion": 1.3,
      "position": [280, 240]
    },
    {
      "parameters": {
        "description": "Look up an order by its ID (format A1234). Returns status, items, carrier, tracking number and estimated delivery. Use whenever the customer mentions an order.",
        "jsCode": "// Demo order database. In the Business version this is a Google Sheets / Shopify lookup.\nconst orders = {\n  A1001: { status: 'shipped', items: ['Ethiopia Yirgacheffe 250g', 'Paper filters'], carrier: 'UPS', tracking: '1Z999AA10123456784', estimated_delivery: '2026-10-17', email: 'maria@example.com' },\n  A1002: { status: 'processing', items: ['Hario V60 dripper'], carrier: null, tracking: null, estimated_delivery: '2026-10-21', email: 'sam@example.com' },\n  A1003: { status: 'delivered', items: ['Colombia Huila 1kg'], carrier: 'USPS', tracking: '9400111899223856', estimated_delivery: '2026-10-09', email: 'lee@example.com' },\n};\nconst id = String(query.order_id ?? '').trim().toUpperCase();\nconst order = orders[id];\nif (!order) return JSON.stringify({ found: false, order_id: id, message: 'No order with this ID. Ask the customer to double-check it.' });\nreturn JSON.stringify({ found: true, order_id: id, ...order });",
        "specifyInputSchema": true,
        "schemaType": "fromJson",
        "jsonSchemaExample": "{\n  \"order_id\": \"A1001\"\n}"
      },
      "id": "m08-tool-order",
      "name": "lookup_order",
      "type": "@n8n/n8n-nodes-langchain.toolCode",
      "typeVersion": 1.3,
      "position": [440, 240]
    },
    {
      "parameters": {
        "description": "Create a ticket for the human support team. Use when you cannot resolve the issue, an item arrived damaged, or the customer asks for a human. Returns the ticket ID to share with the customer.",
        "jsCode": "// Demo ticketing. In the Business version this appends to a Google Sheet / helpdesk and alerts the team.\nconst ticketId = 'T-' + Math.floor(10000 + Math.random() * 90000);\nreturn JSON.stringify({ ticket_id: ticketId, summary: query.summary, priority: query.priority ?? 'normal', reply_within: '1 business day' });",
        "specifyInputSchema": true,
        "schemaType": "fromJson",
        "jsonSchemaExample": "{\n  \"summary\": \"Order A1003 arrived with a torn bag\",\n  \"customer_contact\": \"lee@example.com\",\n  \"priority\": \"normal\"\n}"
      },
      "id": "m08-tool-ticket",
      "name": "create_support_ticket",
      "type": "@n8n/n8n-nodes-langchain.toolCode",
      "typeVersion": 1.3,
      "position": [600, 240]
    }
  ],
  "connections": {
    "Support Chat": { "main": [[{ "node": "Support Agent", "type": "main", "index": 0 }]] },
    "OpenAI Chat Model": { "ai_languageModel": [[{ "node": "Support Agent", "type": "ai_languageModel", "index": 0 }]] },
    "Conversation Memory": { "ai_memory": [[{ "node": "Support Agent", "type": "ai_memory", "index": 0 }]] },
    "lookup_order": { "ai_tool": [[{ "node": "Support Agent", "type": "ai_tool", "index": 0 }]] },
    "create_support_ticket": { "ai_tool": [[{ "node": "Support Agent", "type": "ai_tool", "index": 0 }]] }
  },
  "pinData": {},
  "settings": { "executionOrder": "v1" }
}