diff --git a/deploy/ubm_schema.sql b/deploy/ubm_schema.sql
index 4561a33..b7c63d0 100644
--- a/deploy/ubm_schema.sql
+++ b/deploy/ubm_schema.sql
@@ -1000,6 +1000,71 @@ END
 $_$;
 
 
+--
+-- Name: srce_map_val_set_multi(jsonb); Type: FUNCTION; Schema: tps; Owner: -
+--
+
+CREATE FUNCTION tps.srce_map_val_set_multi(_maps jsonb) RETURNS jsonb
+    LANGUAGE plpgsql
+    AS $_$
+
+DECLARE
+    _message jsonb;
+    _MESSAGE_TEXT text;
+    _PG_EXCEPTION_DETAIL text;
+    _PG_EXCEPTION_HINT text;
+
+BEGIN
+
+
+	WITH 
+	-----------expand the json into a table------------------------------------------------------------------------------
+	t AS (
+		SELECT 
+			jtr.*
+		FROM
+			jsonb_array_elements(_maps) ae(v)
+			JOIN LATERAL jsonb_to_record(ae.v) AS jtr(source text, map text, ret_val jsonb, mapped jsonb) ON TRUE
+	)
+	-----------do merge---------------------------------------------------------------------------------------------------
+	INSERT INTO
+		tps.map_rv
+	SELECT
+		t."source"
+		,t."map"
+		,t.ret_val
+		,t.mapped
+	FROM
+		t
+	ON CONFLICT ON CONSTRAINT map_rv_pk DO UPDATE SET
+		map = excluded.map;
+
+	-------return message--------------------------------------------------------------------------------------------------
+	 _message:= jsonb_build_object('status','complete');
+    RETURN _message;
+
+EXCEPTION WHEN OTHERS THEN
+
+    GET STACKED DIAGNOSTICS 
+            _MESSAGE_TEXT = MESSAGE_TEXT,
+            _PG_EXCEPTION_DETAIL = PG_EXCEPTION_DETAIL,
+            _PG_EXCEPTION_HINT = PG_EXCEPTION_HINT;
+    _message:= 
+        ($$
+            {
+                "status":"fail",
+                "message":"error setting map value"
+            }
+        $$::jsonb)
+        ||jsonb_build_object('message_text',_MESSAGE_TEXT)
+        ||jsonb_build_object('pg_exception_detail',_PG_EXCEPTION_DETAIL);
+
+        RETURN _message;
+
+END;
+$_$;
+
+
 --
 -- Name: srce_set(text, jsonb); Type: FUNCTION; Schema: tps; Owner: -
 --
diff --git a/functions/srce_map_val_set_multi.sql b/functions/srce_map_val_set_multi.sql
new file mode 100644
index 0000000..edaba13
--- /dev/null
+++ b/functions/srce_map_val_set_multi.sql
@@ -0,0 +1,60 @@
+DROP FUNCTION tps.srce_map_val_set_multi;
+CREATE OR REPLACE FUNCTION tps.srce_map_val_set_multi(_maps jsonb) RETURNS JSONB
+LANGUAGE plpgsql
+AS $f$
+
+DECLARE
+    _message jsonb;
+    _MESSAGE_TEXT text;
+    _PG_EXCEPTION_DETAIL text;
+    _PG_EXCEPTION_HINT text;
+
+BEGIN
+
+
+	WITH 
+	-----------expand the json into a table------------------------------------------------------------------------------
+	t AS (
+		SELECT 
+			jtr.*
+		FROM
+			jsonb_array_elements(_maps) ae(v)
+			JOIN LATERAL jsonb_to_record(ae.v) AS jtr(source text, map text, ret_val jsonb, mapped jsonb) ON TRUE
+	)
+	-----------do merge---------------------------------------------------------------------------------------------------
+	INSERT INTO
+		tps.map_rv
+	SELECT
+		t."source"
+		,t."map"
+		,t.ret_val
+		,t.mapped
+	FROM
+		t
+	ON CONFLICT ON CONSTRAINT map_rv_pk DO UPDATE SET
+		map = excluded.map;
+
+	-------return message--------------------------------------------------------------------------------------------------
+	 _message:= jsonb_build_object('status','complete');
+    RETURN _message;
+
+EXCEPTION WHEN OTHERS THEN
+
+    GET STACKED DIAGNOSTICS 
+            _MESSAGE_TEXT = MESSAGE_TEXT,
+            _PG_EXCEPTION_DETAIL = PG_EXCEPTION_DETAIL,
+            _PG_EXCEPTION_HINT = PG_EXCEPTION_HINT;
+    _message:= 
+        ($$
+            {
+                "status":"fail",
+                "message":"error setting map value"
+            }
+        $$::jsonb)
+        ||jsonb_build_object('message_text',_MESSAGE_TEXT)
+        ||jsonb_build_object('pg_exception_detail',_PG_EXCEPTION_DETAIL);
+
+        RETURN _message;
+
+END;
+$f$
\ No newline at end of file
diff --git a/sample_discovercard/build_maps.xlsm b/sample_discovercard/build_maps.xlsm
new file mode 100644
index 0000000..2b52228
Binary files /dev/null and b/sample_discovercard/build_maps.xlsm differ