Marketing ROIリポートの生成にGoogle Sheets、GPT-4o、Eメールを使用

• •Google Sheets API認証情報
• •OpenAI API Key

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        "content": "## 📈 Campaign ROI Report with Generative AI + Email\n\nThis n8n workflow pulls campaign data from Google Sheets, summarizes it using OpenAI, and sends a performance recap via Outlook email.\n\n### ✅ Step 1: Connect Google Sheets\n\n1. In n8n, go to **Credentials** → click **New Credential**\n2. Select **Google Sheets OAuth2 API**\n3. Log in with your Google account and authorize\n4. Use a spreadsheet with:\n   - Column names in the first row  \n   - Data in rows 2–100  \n5. Example format: [📄 Sample Marketing Sheet](https://docs.google.com/spreadsheets/d/1UDWt0-Z9fHqwnSNfU3vvhSoYCFG6EG3E-ZewJC_CLq4/edit?usp=sharing)\n\n### ✅ Step 2: Connect OpenAI\n\n1. Go to [OpenAI API Keys](https://platform.openai.com/api-keys)\n2. Make sure you have a payment method set under [Billing](https://platform.openai.com/settings/organization/billing/overview)\n3. In n8n, create a new **OpenAI API** credential\n4. Paste your API key and save\n\n\n### 📬 Need Help?\n\nFeel free to contact me if you run into issues:\n\n- 📧 robert@ynteractive.com  \n- 🔗 [LinkedIn](https://www.linkedin.com/in/robert-breen-29429625/)\n"
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        "content": "### Aggregate and Combine Data"
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        "content": "### 2. Prepare Your Google Sheet\n\n#### Connect your Data in Google Sheets\n- Data must be in a format similar to this: [Sample Marketing Data](https://docs.google.com/spreadsheets/d/1UDWt0-Z9fHqwnSNfU3vvhSoYCFG6EG3E-ZewJC_CLq4/edit?gid=365710158#gid=365710158)\n- First row contains column names\n- Data in rows 2-100\n- Log in with OAuth2 and choose your workbook and sheet\n- Optional: Try connecting to Airtable, Notion or your Database"
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        "content": "### AI Agent analyzes data and sends daily email"
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        "content": "### 1. Set Up OpenAI Connection\n\n#### Get API Key:\n1. Go to [OpenAI Platform](https://platform.openai.com/api-keys)\n1. Go to [OpenAI Billing](https://platform.openai.com/settings/organization/billing/overview)\n2. Add funds to your billing account & copy your api key into the openAI credentials\n"
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