法律契約データを抽出し、VLM Run、Google Workspace、Slackを使ってリマインド送信

• •Slack Bot Token または Webhook URL
• •HTTP Webhookエンドポイント（n8nが自動生成）
• •Google Drive API認証情報
• •Google Sheets API認証情報

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      "parameters": {
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        "content": "## 📁 Input Processing\n\n**Monitors & downloads contract files from Google Drive.**\n\n**Process:**\n1. Watches designated Drive folder\n2. Auto-triggers on new uploads\n3. Downloads files for AI processing\n\n**Supported Formats:**\n- Images (JPG, PNG, WEBP)\n- PDF documents\n- Mobile camera uploads\n- Scanned contracts"
      },
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    {
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      "name": "契約アップロードの監視",
      "type": "n8n-nodes-base.googleDriveTrigger",
      "notes": "Monitors Google Drive folder for new receipt uploads and triggers processing automatically.",
      "position": [
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      "name": "契約ファイルのダウンロード",
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      "notes": "Downloads receipt files from Google Drive for AI processing.",
      "position": [
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        "fileId": {
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          "mode": "id",
          "value": "={{ $json.id }}"
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        "content": "## 🤖 VLM Run Contract Extraction\n\n**Uses VLM Run node to extract structured data from contract images/PDFs.**\n\n**Extracts:**\n- Contract ID\n- Title\n- Parties\n- Effective Date\n- Termination Date\n\n**Features:**\n- Handles poor quality images\n- Various receipt formats\n- OCR text recognition"
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        "agentPrompt": "extract data from the invoice or contract, Extract the key details from this lease contract. I am expecting the output to be in JSON format, with tags, using parameters : contract_id, title, parties (with role), property_address, effective_date, termination_date, rent_amount, security_deposit, payment_terms, governing_law . All the parameters should get values from the pdf of data file from the download contract file. \nNormalize dates to YYYY-MM-DD and amounts as numbers with currency.  \nIf a field is missing, return null.",
        "agentCallbackUrl": "https://playground.attensys.ai/webhook/b905e71d-8ea5-4fc2-a773-b0f92e5398e4"
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      "credentials": {
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      "parameters": {
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        "content": "## 📊 Data Storage\n\n**Structures and stores extracted data in Google Sheets.**\n\n**Features:**\n- Clean, organized format\n- Centralized expense database\n- Auto-appends new entries\n- Analysis-ready data\n\n**Data Fields:**\n- ID\n- Title\n- Parties\n- Effective and Termination Date\n\n**Benefits:**\n- Real-time tracking\n- Easy exports\n- Mobile access"
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      "notes": "Automatically saves extracted receipt data to Google Sheets for expense tracking.",
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        "columns": {
          "value": {
            "Title": "={{$node[\"Format Contract Data\"].json[\"Title\"]}}",
            "Parties": "={{$node[\"Format Contract Data\"].json[\"Parties\"]}}",
            "Contract ID": "={{$node[\"Format Contract Data\"].json[\"Contract ID\"]}}",
            "Effective Date": "={{$node[\"Format Contract Data\"].json[\"Effective Date\"]}}",
            "Termination Date": "={{$node[\"Format Contract Data\"].json[\"Termination Date\"]}}"
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              "id": "Contract ID",
              "type": "string",
              "display": true,
              "removed": false,
              "required": false,
              "displayName": "Contract ID",
              "defaultMatch": false,
              "canBeUsedToMatch": true
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          "mappingMode": "defineBelow",
          "matchingColumns": [
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          "convertFieldsToString": false
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      "notes": "Transforms AI-extracted receipt data into clean, structured format for spreadsheet storage.",
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        "values": {
          "string": [
            {
              "name": "Contract ID",
              "value": "={{ $json.body.response.contract_id }}"
            },
            {
              "name": "Title",
              "value": "={{ $json.body.response.title }}"
            },
            {
              "name": "Parties",
              "value": "={{ $json.body.parties && $json.body.parties.length ? $json.body.parties.map(p => p.name + \" (\"+ p.role + \")\").join(\"; \") : \"\" }}"
            },
            {
              "name": "Effective Date",
              "value": "={{ $json.body.response.effective_date }}"
            },
            {
              "name": "Termination Date",
              "value": "={{ $json.body.response.termination_date }}"
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      "webhookId": "6b8dcfb9-51a9-418b-8469-4bf5b5894f2a",
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        "text": "=*New Contract Processed* 📄\n• Contract ID: {{$node[\"Format Contract Data\"].json[\"Contract ID\"] || \"N/A\"}}\n• Title: {{$node[\"Format Contract Data\"].json[\"Title\"] || \"N/A\"}}\n• Parties: {{$node[\"Format Contract Data\"].json[\"Parties\"] || \"N/A\"}}\n• Effective: {{$node[\"Format Contract Data\"].json[\"Effective Date\"] || \"N/A\"}}\n• Termination: {{$node[\"Format Contract Data\"].json[\"Termination Date\"] || \"N/A\"}}\n🔗 {{$node[\"Format Contract Data\"].json[\"Drive Link\"] || $node[\"Save to Expense Database\"].json[\"driveLink\"] || \"No drive link available\"}}\n",
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      "credentials": {
        "slackApi": {
          "id": "M00QrTNTmnr6yiTS",
          "name": "Slack account 11"
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      "typeVersion": 2.3
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      "name": "カレンダーイベントの準備",
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        "jsCode": "// n8n Function node code\n// Reads from Format Contract Data node and returns 1..3 items, each has .json with summary, description, start, end (YYYY-MM-DD)\n\nconst fmt = $node[\"Format Contract Data\"].json;\nconst title = fmt[\"Title\"] || \"Untitled Contract\";\nconst cid = fmt[\"Contract ID\"] || \"\";\nconst parties = fmt[\"Parties\"] || \"\";\nconst drive = fmt[\"Drive Link\"] || \"\";\n\nfunction isoDate(d) {\n  // return YYYY-MM-DD\n  return d.toISOString().split('T')[0];\n}\n\nfunction makeAllDayDates(dateStr) {\n  // Accepts YYYY-MM-DD (or other parseable), returns start and end for all-day event.\n  if(!dateStr) return null;\n  const d = new Date(dateStr + \"T00:00:00\");\n  const start = isoDate(d);\n  const endD = new Date(d);\n  endD.setDate(endD.getDate() + 1); // exclusive end for all-day events\n  const end = isoDate(endD);\n  return { start, end };\n}\n\nconst items = [];\n\n// Effective Date event\nconst eff = makeAllDayDates(fmt[\"Effective Date\"]);\nif (eff) {\n  items.push({\n    json: {\n      summary: `${title} — Effective Date`,\n      description: `Contract ID: ${cid}\\nParties: ${parties}\\nDrive: ${drive}`,\n      start: eff.start,\n      end: eff.end,\n      allDay: true,\n      metaType: \"effective\"\n    }\n  });\n}\n\n// Termination Date event\nconst term = makeAllDayDates(fmt[\"Termination Date\"]);\nif (term) {\n  items.push({\n    json: {\n      summary: `${title} — Termination Date`,\n      description: `Contract ID: ${cid}\\nParties: ${parties}\\nDrive: ${drive}`,\n      start: term.start,\n      end: term.end,\n      allDay: true,\n      metaType: \"termination\"\n    }\n  });\n\n  // Renewal review reminder 60 days before termination\n  const termDate = new Date(fmt[\"Termination Date\"] + \"T00:00:00\");\n  const reminderDate = new Date(termDate);\n  reminderDate.setDate(reminderDate.getDate() - 60); // change 60 to your preferred days\n  const remStart = isoDate(reminderDate);\n  const remEndD = new Date(reminderDate);\n  remEndD.setDate(remEndD.getDate() + 1);\n  const remEnd = isoDate(remEndD);\n\n  items.push({\n    json: {\n      summary: `${title} — Renewal Review (Reminder)`,\n      description: `Contract ID: ${cid}\\nTermination Date: ${fmt[\"Termination Date\"]}\\nAction: Review & decide renewal.`,\n      start: remStart,\n      end: remEnd,\n      allDay: true,\n      metaType: \"renewal_reminder\"\n    }\n  });\n}\n\nreturn items;\n"
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      "name": "イベントの作成",
      "type": "n8n-nodes-base.googleCalendar",
      "position": [
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      ],
      "parameters": {
        "end": "={{$json[\"end\"]}}",
        "start": "={{$json[\"start\"]}}",
        "calendar": {
          "__rl": true,
          "mode": "list",
          "value": "sayonaraistata@gmail.com",
          "cachedResultName": "sayonaraistata@gmail.com"
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          "allday": "yes",
          "summary": "={{$json[\"summary\"]}}",
          "description": "={{$json[\"description\"]}}"
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        "content": "## 🔔 Notifications Added:\n\n1. **Slack** → Posts contract details & AI-generated summary to #all-n8n-test for team visibility.\n\n2. **Google Calendar** → Auto-creates all-day events:\n   • Effective Date\n   • Termination Date\n   • Renewal Reminder (30 days before)\n   → Helps track key contract milestones.\n"
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      "typeVersion": 1
    },
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      "name": "付箋メモ3",
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        "content": "## 📝 Set the Callback URL\n\nMake sure to paste the **Production URL** of your n8n Webhook node into the **Callback URL** field in VLM Run. This ensures that the extracted image links are securely and reliably sent back to your live workflow. Do **not** use localhost or development URLs, they won’t be reachable by VLM Run’s servers."
      },
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    },
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      "name": "契約の受信",
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