diff --git a/common/src/main/java/org/opensearch/ml/common/CommonValue.java b/common/src/main/java/org/opensearch/ml/common/CommonValue.java
index 22eb7cc843..96584d240b 100644
--- a/common/src/main/java/org/opensearch/ml/common/CommonValue.java
+++ b/common/src/main/java/org/opensearch/ml/common/CommonValue.java
@@ -156,6 +156,9 @@ public class CommonValue {
                         + AbstractConnector.CREDENTIAL_FIELD
                         + "\" : {\"type\": \"flat_object\"},\n"
                         + "      \""
+                        + AbstractConnector.HTTP_CLIENT_CONFIG_FIELD
+                        + "\" : {\"type\": \"flat_object\"},\n"
+                        + "      \""
                         + AbstractConnector.ACTIONS_FIELD
                         + "\" : {\"type\": \"flat_object\"}\n";