diff --git a/ydb/library/yql/providers/generic/connector/api/common/data_source.proto b/ydb/library/yql/providers/generic/connector/api/common/data_source.proto
index b29eb7e16a08..ecfb64665c9e 100644
--- a/ydb/library/yql/providers/generic/connector/api/common/data_source.proto
+++ b/ydb/library/yql/providers/generic/connector/api/common/data_source.proto
@@ -13,8 +13,14 @@ message TCredentials {
         string password = 2;
     }
 
+    message TToken {
+        string type = 1;
+        string value = 2;
+    }
+
     oneof payload {
         TBasic basic = 1;
+        TToken token = 2;
     }
 }