diff --git a/generated/src/aws-cpp-sdk-s3/include/aws/s3/model/HeadObjectResult.h b/generated/src/aws-cpp-sdk-s3/include/aws/s3/model/HeadObjectResult.h
index 213beb10aa59..f6dca8e589eb 100644
--- a/generated/src/aws-cpp-sdk-s3/include/aws/s3/model/HeadObjectResult.h
+++ b/generated/src/aws-cpp-sdk-s3/include/aws/s3/model/HeadObjectResult.h
@@ -136,6 +136,7 @@ namespace Model
      * <p>Size of the body in bytes.</p>
      */
     inline long long GetContentLength() const { return m_contentLength; }
+    inline bool ContentLengthHasBeenSet() const { return m_contentLengthHasBeenSet; }
     inline void SetContentLength(long long value) { m_contentLengthHasBeenSet = true; m_contentLength = value; }
     inline HeadObjectResult& WithContentLength(long long value) { SetContentLength(value); return *this;}
     ///@}