[8.18] Update transform example update (#4998) (#5024)

Co-authored-by: lcawl <[email protected]>
(cherry picked from commit 9d40112)
Co-authored-by: ketkee-aryamane <[email protected]>

Author: lcawl

output/openapi/elasticsearch-openapi.json

@@ -2,33 +2,28 @@
 method_request: POST _transform/simple-kibana-ecomm-pivot/_update
 description: Run `POST _transform/simple-kibana-ecomm-pivot/_update` to update a transform that uses the pivot method.
 # type: request
-value:
-  source:
-    index: kibana_sample_data_ecommerce
-    query:
-      term:
-        geoip.continent_name:
-          value: Asia
-  pivot:
-    group_by:
-      customer_id:
-        terms:
-          field: customer_id
-          missing_bucket: true
-    aggregations:
-      max_price:
-        max:
-          field: taxful_total_price
-  description: Maximum priced ecommerce data by customer_id in Asia
-  dest:
-    index: kibana_sample_data_ecommerce_transform1
-    pipeline: add_timestamp_pipeline
-  frequency: 5m
-  sync:
-    time:
-      field: order_date
-      delay: 60s
-  retention_policy:
-    time:
-      field: order_date
-      max_age: 30d
+value: |-
+  {
+    "source": {
+      "index": "kibana_sample_data_ecommerce",
+      "query": {
+        "term": {
+          "geoip.continent_name": {
+            "value": "Asia"
+          }
+        }
+      }
+    },
+    "description": "Maximum priced ecommerce data by customer_id in Asia",
+    "dest": {
+      "index": "kibana_sample_data_ecommerce_transform_v2",
+      "pipeline": "add_timestamp_pipeline"
+    },
+    "frequency": "15m",
+    "sync": {
+      "time": {
+        "field": "order_date",
+        "delay": "120s"
+      }
+    }
+  }