{
 "computed": {
  "items_value": 72.05
 },
 "event": "purchase",
 "event_parameters": [
  {
   "name": "items",
   "note": "Array of items, up to 200 elements. Each item needs item_id or item_name; both is recommended. Up to 27 custom parameters per item in addition to the prescribed ones.",
   "required": true,
   "type": "array"
  }
 ],
 "page_numbers": [
  "10.01",
  "21.01",
  "30.03",
  "42.02",
  "72.05",
  "200",
  "27"
 ],
 "verified_example": {
  "currency": "USD",
  "items": [
   {
    "item_brand": "Google",
    "item_category": "Apparel",
    "item_id": "SKU_12345",
    "item_name": "Stan and Friends Tee",
    "price": 10.01,
    "quantity": 3
   },
   {
    "item_brand": "Google",
    "item_category": "Apparel",
    "item_id": "SKU_12346",
    "item_name": "Google Grey Women's Tee",
    "price": 21.01,
    "quantity": 2
   }
  ],
  "max_custom_parameters": 27,
  "max_items": 200,
  "transaction_id": "T_12345",
  "value": 72.05
 }
}