{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "properties": {
    "productCategory": {
      "type": "string",
      "description": "the product category label printed in the product/packing header (e.g. 'powder detergent')"
    },
    "items": {
      "type": "array",
      "description": "one entry per row of the packing/carton specification table",
      "items": {
        "type": "object",
        "properties": {
          "productPacking": {
            "type": "string",
            "description": "the product/packing label exactly as printed including pack count and unit size (e.g. 'Brand 12 X 1kg')"
          },
          "cartonsPer20ft": {
            "type": "number",
            "description": "number of cartons that fit in a 20 foot container"
          },
          "cartonsPer40ft": {
            "type": "number",
            "description": "number of cartons that fit in a 40 foot container"
          },
          "cartonDimensionCm": {
            "type": "string",
            "description": "carton dimension in cm as printed in length x width x height form (e.g. '40.00 X 25.00 X 30.00')"
          },
          "cartonSizeM3": {
            "type": "number",
            "description": "carton size (volume) in cubic meters"
          },
          "netWeightKg": {
            "type": "number",
            "description": "net weight per carton in kg (kg/ltr column)"
          },
          "grossWeightKg": {
            "type": "number",
            "description": "gross weight per carton in kg"
          }
        },
        "required": [
          "productPacking",
          "cartonsPer20ft",
          "cartonsPer40ft",
          "cartonDimensionCm",
          "cartonSizeM3",
          "netWeightKg",
          "grossWeightKg"
        ]
      }
    }
  },
  "required": [
    "productCategory",
    "items"
  ]
}