{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/tm-forum/refs/heads/main/json-schema/tmf622-product-ordering-product-order-milestone-schema.json",
  "title": "ProductOrderMilestone",
  "description": "ProductOrderMilestone schema from TM Forum API",
  "allOf": [
    {
      "$ref": "#/components/schemas/Milestone"
    },
    {
      "type": "object",
      "description": "A ProductOrderMilestone represents an action or event marking a significant change or stage in processing of a product order.",
      "properties": {
        "productOrderItem": {
          "type": "array",
          "description": "A list of order item references corresponded to this alert",
          "items": {
            "$ref": "#/components/schemas/ProductOrderItemRef"
          }
        }
      }
    }
  ]
}