{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "type": "object",
  "properties": {
    "product_order_id_buyer": {
      "type": "integer",
      "description": "A unique reference ID for the buyer's order"
    },
    "timestamp": {
      "type": "string",
      "description": "A timestamp describing when the event occurred, in ISO 8601 format",
      "examples": ["2021-09-13T15:58:32.437Z"]
    },
    "product_provider_buyer": {
      "type": "string",
      "description": "The seller providing the product",
      "examples": ["P&O Ferries"]
    }
  },
  "required": ["product_order_id_buyer", "timestamp", "product_provider_buyer"]
}