diff --git a/model/ddl.sql b/model/ddl.sql
index 9976b13..ff02dce 100644
--- a/model/ddl.sql
+++ b/model/ddl.sql
@@ -116,7 +116,8 @@ CREATE TABLE PUBLIC.BAY (
     GRID VARCHAR(64) NOT NULL DEFAULT '',
     ZONE VARCHAR(64) NOT NULL DEFAULT '',
     STATION VARCHAR(64) NOT NULL DEFAULT '',
-    BUSINESS JSONB NOT NULL DEFAULT '{}', -- {"unom":0.0,"bus_connected":""}
+    BUSINESS JSONB NOT NULL DEFAULT '{}', -- for Server
+    CONTEXT JSONB NOT NULL DEFAULT '{}', -- for UI
   	FROM_UUIDS JSONB NOT NULL DEFAULT '[]', -- uuids
   	TO_UUIDS JSONB NOT NULL DEFAULT '[]', -- uuids
     DEV_PROTECT JSONB NOT NULL DEFAULT '[]', -- devices