Google GeminiとSlackを使用した従業員の誕生日および勤続記念日の自動化

• •Slack Bot Token または Webhook URL
• •Google Sheets API認証情報
• •Google Gemini API Key

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      "parameters": {
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      "name": "付箋ノート",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
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      "parameters": {
        "width": 304,
        "height": 480,
        "content": "## 🎉 Replace BillyBot: Free Slack Employee Birthday & Anniversary Automation\n\n- Runs daily at 9 AM. Fetches employee data from Google Sheets, filters today's birthdays/anniversaries, generates personalized AI messages, and posts to Slack.\n- Sheet format: NO | Name | Email | Date of Birth (YYYY-MM-DD) | Joining Date (YYYY-MM-DD)\n- AI features: 12 rotating message styles, auto-calculates tenure, Slack markdown formatting\n- Cost: $0-20/month vs BillyBot's $1/employee/month ($600-2,400/year for 50-200 employees)"
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    {
      "id": "node-id-4",
      "name": "従業員データ取得",
      "type": "n8n-nodes-base.googleSheets",
      "position": [
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        "options": {},
        "sheetName": {
          "__rl": true,
          "mode": "list",
          "value": "SHEET_ID_PLACEHOLDER",
          "cachedResultUrl": "https://docs.google.com/spreadsheets/d/GOOGLE_SHEET_DOCUMENT_ID/edit#gid=SHEET_ID_PLACEHOLDER",
          "cachedResultName": "Sheet1"
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          "__rl": true,
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        }
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          "name": "Google Sheets OAuth account"
        }
      },
      "typeVersion": 4.7
    },
    {
      "id": "node-id-5",
      "name": "誕生日・勤続記念日確認",
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      "position": [
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            "caseSensitive": true,
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              "id": "condition-id-1",
              "operator": {
                "type": "string",
                "operation": "equals"
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              "leftValue": "={{ $now.toFormat('MM-dd') }}",
              "rightValue": "={{ DateTime.fromISO($json['Date of Birth']).toFormat('MM-dd') }}"
            },
            {
              "id": "condition-id-2",
              "operator": {
                "type": "string",
                "operation": "equals"
              },
              "leftValue": "={{ $now.toFormat('MM-dd') }}",
              "rightValue": "={{ DateTime.fromISO($json['Joining Date']).toFormat('MM-dd') }}"
            }
          ]
        },
        "looseTypeValidation": true
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    {
      "id": "node-id-6",
      "name": "本日の祝い事統合",
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      "parameters": {
        "options": {},
        "aggregate": "aggregateAllItemData"
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      "typeVersion": 1
    },
    {
      "id": "node-id-7",
      "name": "個人向け Slack メッセージ生成",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
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        400
      ],
      "parameters": {
        "text": "=todays date :- {{ $now }}\n\nemp data :- {{ $json.data.toJsonString() }}",
        "options": {
          "systemMessage": "=🎉 Slack Celebration Message Generator\nGenerate unique, heartfelt birthday and work anniversary messages for Slack that feel genuinely human-written, never templated.\n🎯 Core Rules\nUniqueness: Never repeat opening phrases, sentence structures, or tones across messages. Each celebration must feel completely different.\nAuthenticity: Write like a caring colleague, not a robot. Messages should be personal, warm, and memorable.\nVariation: Rotate through different styles, emojis, and approaches systematically.\n🎨 Message Styles (Rotate These)\nBirthdays:\n\nJoyful - Pure celebration and excitement\nReflective - New beginnings and fresh chapters\nGrateful - Appreciation for their presence\nPlayful - Lighthearted with gentle humor\nAchievement - Celebrate growth and contributions\nWarm - Team family togetherness\n\nWork Anniversaries:\n\nMilestone - Highlight achievements and impact\nJourney - Their evolution and growth story\nTeam Impact - How they enrich the culture\nFuture-Forward - Excitement for what's ahead\nExcellence - Innovation and expertise\nLegacy - Foundational role (5+ years)\n\n📝 Format Requirements\nStructure:\n*[Unique Opening + Name + Hook]* [Emoji Combo]\n[Specific wishes/appreciation - keep brief]\n_— from the team 💙_\nMarkdown:\n\n*bold* for names and key phrases\n_italic_ for signature only\nProper line breaks for readability\n\nEmojis (rotate):\n\nBirthday: 🎂✨, 🎉🎂, 🎂🌟, 🎈🎉, 🎂🎊, 🌟🎁, 🎉✨, 🎂💫\nAnniversary: 🎊🚀, 🏆🎉, 🎊💪, ⭐🎊, 🚀✨, 🎉🏅, 🎊⚡, 💎🎊\n\n🎲 Variation Rules\n\nOpening: Never repeat within 30 days\nTone: Never use same emotional tone consecutively\nLength: 1-3 lines per person, mobile-friendly\nAnniversary Years: Adapt message to tenure length\n\n💡 Writing Tips\n\nUse first names only\nVary sentence length and rhythm\nKeep culturally inclusive and professional\nMake it screenshot-worthy\nEach person gets distinctly different treatment\n\nOutput: Generate ready-to-post Slack messages that colleagues will genuinely react to and appreciate."
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        "promptType": "define"
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      "id": "node-id-8",
      "name": "Slack チャンネルへの投稿",
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      ],
      "webhookId": "WEBHOOK_ID_PLACEHOLDER",
      "parameters": {
        "text": "={{ $json.output }}",
        "select": "channel",
        "channelId": {
          "__rl": true,
          "mode": "list",
          "value": "SLACK_CHANNEL_ID",
          "cachedResultName": "your-channel-name"
        },
        "otherOptions": {
          "includeLinkToWorkflow": false
        }
      },
      "credentials": {
        "slackApi": {
          "id": "SLACK_CREDENTIAL_ID",
          "name": "slack-bot-credential"
        }
      },
      "typeVersion": 2.3
    }
  ],
  "pinData": {},
  "connections": {
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