{
  "item":
  [
    {
      "form":
      {
        "name": "invoice",
        "_description": "how to express invoice pdf",
        "structure":
        [
          "header",
          "row_area",
          "last_page_footer",
          "footer"
        ]
      }
    },
    {
      "header":
      [
        {
          "header_left":
          [
            "logo",
            {
              "field": "in_invoice_address"
            }
          ]
        },
        {
          "header_right":
          [
            {
              "report_name": "Lasku"
            },
            {
              "report_header2": "Kirjanpitokappale"
            },
            {
              "in_invoice_id": "in_invoice_id"
            },
            {
              "customer_delivery_address": "in_delivery_address"
            }
          ]
        },
        {
          "header_bottom":
          [
            {
              "in_reference_number": "in_reference_number"
            },
            {
              "co_vat_number": "co_vat_number"
            },
            {
              "in_remark_time": "in_remark_time"
            },
            {
              "in_your_reference": "in_your_reference"
            },
            {
              "in_our_reference": "in_our_reference"
            },
            {
              "in_project": "in_project"
            },
            {
              "in_terms_of_payment_id": "in_terms_of_payment_id"
            },
            {
              "in_date": "in_date"
            },
            {
              "in_due_date": "in_due_date"
            },
            {
              "in_penalty_interest": "in_penalty_interest"
            }
          ]
        }
      ]
    },
    {
      "row_area":
      [
        "invoice_row_header",
        "invoice_row"
      ]
    },
    {
      "last_page_footer":
      [
        {"in_info": "in_info"},
        "invoice_sum",
        "vat",
        "payable"
      ]
    },
    {
      "footer":
      [
        {"co_address": "co_address"},
        {"co_telephone": "co_telephone"},
        {"co_email": "co_email"},
        {"co_bank_account": "co_bank_account"},
        {"co_trade_registry_number": "co_trade_registry_number"}
      ]
    }
  ]
}
