1 files changed, 4 insertions, 0 deletions
diff --git a/src/mongo/bson/bsonobj.h b/src/mongo/bson/bsonobj.h
index 336d84eb022..69e85b2117d 100644
--- a/src/mongo/bson/bsonobj.h
+++ b/src/mongo/bson/bsonobj.h
@@ -502,6 +502,10 @@ public:
         return *p == EOO ? "" : p + 1;
     }
 
+    StringData firstElementFieldNameStringData() const {
+        return StringData(firstElementFieldName());
+    }
+
     BSONType firstElementType() const {
         const char* p = objdata() + 4;
         return (BSONType)*p;