Merge pull request #110126 from CodeNotFoundException/patch-1

Update hierarchical-partition-keys.md by adding the full partition key path

Author: Jak-MS

articles/cosmos-db/hierarchical-partition-keys.md

@@ -289,6 +289,7 @@ PaymentEvent item = new PaymentEvent()
 PartitionKey partitionKey = new PartitionKeyBuilder()
             .Add(item.TenantId)
             .Add(item.UserId)
+            .Add(item.SessionId)
             .Build();
 
 // Create the item in the container