From c9cf9d0246701da73c1c6e30df75446461127dd8 Mon Sep 17 00:00:00 2001
From: AllanZhengYP <zheallan@amazon.com>
Date: Mon, 14 Feb 2022 20:26:04 +0000
Subject: [PATCH] fix(smithy-client): decorateServiceException not to overwrite
 modeled members

---
 packages/smithy-client/src/exceptions.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/smithy-client/src/exceptions.ts b/packages/smithy-client/src/exceptions.ts
index a3801f87da8c..76d35d8cc5b2 100644
--- a/packages/smithy-client/src/exceptions.ts
+++ b/packages/smithy-client/src/exceptions.ts
@@ -49,7 +49,7 @@ export const decorateServiceException = <E extends ServiceException>(
     .filter(([, v]) => v !== undefined)
     .forEach(([k, v]) => {
       // @ts-ignore assign unmodeled keys
-      exception[k] = v;
+      exception[k] = exception[k] ?? v;
     });
   // load error message from possible locations
   // @ts-expect-error message could exist in Message key.