diff --git a/deploy/ubm_schema.sql b/deploy/ubm_schema.sql
index 7a51994..3aba488 100644
--- a/deploy/ubm_schema.sql
+++ b/deploy/ubm_schema.sql
@@ -419,6 +419,60 @@ END;
 $_$;
 
 
+--
+-- Name: srce_map_val_set(text, text, jsonb, jsonb); Type: FUNCTION; Schema: tps; Owner: -
+--
+
+CREATE FUNCTION srce_map_val_set(_srce text, _target text, _ret jsonb, _map jsonb) RETURNS jsonb
+    LANGUAGE plpgsql
+    AS $_$
+
+DECLARE
+    _message jsonb;
+    _MESSAGE_TEXT text;
+    _PG_EXCEPTION_DETAIL text;
+    _PG_EXCEPTION_HINT text;
+
+BEGIN
+
+    INSERT INTO
+        tps.map_rv
+    SELECT
+        _srce
+        ,_target
+        ,_ret
+        ,_map
+    ON CONFLICT ON CONSTRAINT map_rv_pk DO UPDATE SET
+        srce = _srce
+        ,target = _target
+        ,retval = _ret
+        ,map = _map;
+
+    _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_set.sql b/functions/srce_map_def_set.sql
similarity index 100%
rename from functions/srce_map_set.sql
rename to functions/srce_map_def_set.sql
diff --git a/functions/srce_map_val_set.sql b/functions/srce_map_val_set.sql
new file mode 100644
index 0000000..83be455
--- /dev/null
+++ b/functions/srce_map_val_set.sql
@@ -0,0 +1,49 @@
+CREATE OR REPLACE FUNCTION tps.srce_map_val_set(_srce text, _target text, _ret jsonb, _map jsonb) RETURNS jsonb
+AS
+$f$
+
+DECLARE
+    _message jsonb;
+    _MESSAGE_TEXT text;
+    _PG_EXCEPTION_DETAIL text;
+    _PG_EXCEPTION_HINT text;
+
+BEGIN
+
+    INSERT INTO
+        tps.map_rv
+    SELECT
+        _srce
+        ,_target
+        ,_ret
+        ,_map
+    ON CONFLICT ON CONSTRAINT map_rv_pk DO UPDATE SET
+        srce = _srce
+        ,target = _target
+        ,retval = _ret
+        ,map = _map;
+
+    _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
+$f$
+language plpgsql
\ No newline at end of file
diff --git a/sample_discovercard/mapping.md b/sample_discovercard/mapping.md
index 5fe8f94..e53d4a0 100644
--- a/sample_discovercard/mapping.md
+++ b/sample_discovercard/mapping.md
@@ -90,7 +90,7 @@ from
             {
                 "key": "{Description}",
                 "map": "y",
-                "flag": "g",
+                "flag": "",
                 "field": "f20",
                 "regex": ".{1,20}",
                 "retain": "y"