curl --request POST \
  --url https://docflow.textin.com/api/app-api/sip/platform/v2/category/fields/add \
  --header 'Content-Type: application/json' \
  --header 'x-ti-app-id: <api-key>' \
  --header 'x-ti-secret-code: <api-key>' \
  --data '
{
  "name": "发票代码",
  "workspace_id": "1234567890",
  "category_id": "1234567890",
  "description": "发票代码描述",
  "prompt": "<string>",
  "use_prompt": true,
  "alias": [
    "发票号",
    "票号",
    "Invoice No."
  ],
  "identity": "invoice_number",
  "multi_value": true,
  "duplicate_value_distinct": true,
  "transform_settings": {
    "datetime_settings": {
      "format": "yyyy-MM-dd"
    },
    "enumerate_settings": {
      "items": [
        "增值税专用发票",
        "增值税普通发票",
        "电子发票"
      ]
    },
    "regex_settings": {
      "match": "^(\\d{4})-(\\d{2})-(\\d{2})$",
      "replace": "$1/$2/$3"
    },
    "mismatch_action": {
      "default_value": "N/A"
    }
  },
  "table_id": "1234567890",
  "extract_model": "Model 1",
  "with_detail": true
}
'

{
  "code": 200,
  "msg": "<string>",
  "result": {
    "field_id": "1234567890",
    "name": "<string>",
    "description": "<string>",
    "prompt": "<string>",
    "use_prompt": true,
    "alias": [
      "<string>"
    ],
    "identity": "<string>",
    "multi_value": true,
    "duplicate_value_distinct": true,
    "transform_settings": {
      "datetime_settings": {
        "format": "yyyy-MM-dd"
      },
      "enumerate_settings": {
        "items": [
          "增值税专用发票",
          "增值税普通发票",
          "电子发票"
        ]
      },
      "regex_settings": {
        "match": "^(\\d{4})-(\\d{2})-(\\d{2})$",
        "replace": "$1/$2/$3"
      },
      "mismatch_action": {
        "default_value": "N/A"
      }
    },
    "extract_model": "<string>",
    "enabled": 123
  }
}