使用GPT-4o从Slack PDF提取发票数据到Google Sheets

• •Slack Bot Token 或 Webhook URL
• •可能需要目标 API 的认证凭证
• •Google Sheets API 凭证
• •OpenAI API Key

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        "text": "=---\nInvoice date: {{ $json.invoice_date }}\nBilling to: {{ $json['billing to'] }}\nEmail: {{ $json.email }}\nTotal Amount: {{ $json.total_amount }}\nDue date: {{ $json.due_date }}",
        "select": "channel",
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      "parameters": {
        "url": "={{ $json.files[0].url_private_download }}",
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            "response": {
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        "text": "=please read and understand the input data({{ $json.text }}). I would like you to extract billing to, email, total amount, invoice date and due date. ",
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        "content": "## 工作流"
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