query DocumentUpload($id: ID!) {
  documentUpload(id: $id) {
    id
    object
    status
    livemode
    created
    updated
    connection
    carrier
    shipment
    tracking_number
    stage
    origin_country
    destination_country
    documents {
      type
      name
      status
      file
      carrier_reference
      error {
        code
        message
      }
    }
    reference
    messages {
      code
      level
      message
      param
      carrier
    }
  }
}

{
  "id": "dupl_1a2B3c"
}

{
  "data": {
    "documentUpload": {
      "id": "dupl_1a2B3c",
      "object": "document_upload",
      "status": "pending",
      "livemode": true,
      "created": 1791302400,
      "updated": 1791302400,
      "connection": "conn_9f8e",
      "carrier": "dhl_express",
      "shipment": "shp_1Q2w3E4r5T6y",
      "tracking_number": "1Z999AA10123456784",
      "stage": "pre_shipment",
      "origin_country": "PT",
      "destination_country": "GB",
      "documents": [
        {
          "type": "commercial_invoice",
          "name": "Example",
          "status": "pending",
          "file": "file_6Yu8",
          "carrier_reference": "example",
          "error": {
            "code": "dhl_express_worldwide",
            "message": "example"
          }
        }
      ],
      "reference": "ORDER-1001",
      "messages": [
        {
          "code": "dhl_express_worldwide",
          "level": "info",
          "message": "example",
          "param": "example",
          "carrier": "dhl_express"
        }
      ]
    }
  }
}