diff --git a/embedded/openapi/spec3.beta.sdk.json b/embedded/openapi/spec3.beta.sdk.json
index e5ae459e..1374cb99 100644
--- a/embedded/openapi/spec3.beta.sdk.json
+++ b/embedded/openapi/spec3.beta.sdk.json
@@ -13188,6 +13188,7 @@
           "class_name": "CustomerCashBalanceTransaction",
           "has_collection_class": true,
           "in_package": "",
+          "parent": "customer",
           "polymorphic_groups": [
             "balance_transaction_source"
           ]