From b9b1e6b84241ff020ef62fdffc45eaa90f763ed7 Mon Sep 17 00:00:00 2001
From: Jane Kwon <janeheekwon@ibm.com>
Date: Mon, 8 Nov 2021 09:35:10 -0500
Subject: [PATCH] fix estimator required (#83)

---
 runtime/new_metadata/estimator.json | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/runtime/new_metadata/estimator.json b/runtime/new_metadata/estimator.json
index 4d36055d8..bc07e5005 100644
--- a/runtime/new_metadata/estimator.json
+++ b/runtime/new_metadata/estimator.json
@@ -39,7 +39,8 @@
       },
       "required": [
         "circuits",
-        "observable"
+        "observable",
+        "parameters"
       ]
     },
     "return_values": {