diff --git a/model/ddl_4_bay.sql b/model/ddl_4_bay.sql
index de175b5..830ba40 100644
--- a/model/ddl_4_bay.sql
+++ b/model/ddl_4_bay.sql
@@ -24,6 +24,7 @@ CREATE TABLE PUBLIC.BAY (
     DEV_DYN_SENSE JSONB NOT NULL DEFAULT '[]', -- devices
     DEV_INSTRUCT JSONB NOT NULL DEFAULT '[]', -- devices
     DEV_ETC JSONB NOT NULL DEFAULT '[]', -- devices
+    COMPONENTS UUID[] NOT NULL DEFAULT '{}',
 	  OP INTEGER NOT NULL DEFAULT -1,
     TS TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP 
 );
\ No newline at end of file