{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "inventory-item",
  "type": "object",
  "required": [
    "sku",
    "qty"
  ],
  "properties": {
    "sku": {
      "type": "string"
    },
    "qty": {
      "type": "integer"
    },
    "warehouse": {
      "type": "string"
    }
  }
}