diff --git a/python/idsse_common/idsse/common/schema/gateway_web_request.json b/python/idsse_common/idsse/common/schema/gateway_web_request.json
index 23bb5685..49be2b10 100644
--- a/python/idsse_common/idsse/common/schema/gateway_web_request.json
+++ b/python/idsse_common/idsse/common/schema/gateway_web_request.json
@@ -10,6 +10,7 @@
           { "$ref": "timing.json#/TimeList" }
         ]
       },
+      "originator": { "type": "string" },
       "criteria": { "$ref": "criteria.json#/Criteria" },
       "supportProfile": { "$ref": "support_profile.json#/SupportProfile" }
     },