From df945f5225c6f7962e2b56d8c899156df427920a Mon Sep 17 00:00:00 2001
From: Katherine <krosenk729@gmail.com>
Date: Thu, 23 Feb 2023 16:21:31 -0500
Subject: [PATCH] fix(smithy-client): optional param in error handling path
 (#4410)

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

diff --git a/packages/smithy-client/src/default-error-handler.ts b/packages/smithy-client/src/default-error-handler.ts
index 944169e8f589..f76d5051a39c 100644
--- a/packages/smithy-client/src/default-error-handler.ts
+++ b/packages/smithy-client/src/default-error-handler.ts
@@ -12,7 +12,7 @@ export const throwDefaultError = ({ output, parsedBody, exceptionCtor, errorCode
   const $metadata = deserializeMetadata(output);
   const statusCode = $metadata.httpStatusCode ? $metadata.httpStatusCode + "" : undefined;
   const response = new exceptionCtor({
-    name: parsedBody.code || parsedBody.Code || errorCode || statusCode || "UnknownError",
+    name: parsedBody?.code || parsedBody?.Code || errorCode || statusCode || "UnknownError",
     $fault: "client",
     $metadata,
   });