diff --git a/parsifal/README b/parsifal/README
index e401386..fdc82a1 100644
--- a/parsifal/README
+++ b/parsifal/README
@@ -55,11 +55,16 @@ $ ./add_person_unit_subscribe.py -e dev -f 322423 -P 264026 -a A10055585940 -u A
 $ ./get_person_unit_info.py -e dev -f 322423 -P 261768 -a A10055590330 -u A10055590332 -p A10053179224
 $ ./add_person_unit_basket.py -e dev -f 322423 -P 261771 -a A10055590330 -u A10055590332 -p A10053179224 -S 2023-01-01 -E 2023-06-30
 
-Réservations
-............
+Réservations (agenda)
+.....................
 $ ./get_person_schedule_list.py -e dev -f 322423 -P 261768 A10055585940 -y 2023 -m 4
 $ ./update_person_schedule_list.py -e dev -f 322423 -P 261768 -a A10055585940 -u A10055585942 -D "2023-04-12" -A ADD_PRES_PREVI
 
+Réservations (semaine type)
+...........................
+$ ./get_person_schedule_list.py -e dev -f 322423 -P 261768 -y 2023 -m 4 -d A10049327682
+$ ./update_week_calendar.py -e dev -f 322423 -P 261768 -a A10049327682 -S "2023-04-01" -E "2222-05-01" -W "XB_____"
+
 Paniers
 .......
 $ ./get_family_basket.py -e dev 322423
diff --git a/parsifal/update_week_calendar.py b/parsifal/update_week_calendar.py
new file mode 100755
index 0000000..e65bd7d
--- /dev/null
+++ b/parsifal/update_week_calendar.py
@@ -0,0 +1,53 @@
+#!/usr/bin/python3
+
+import argparse
+
+import utils
+
+
+FAMILY_ID = '322573'  # NICO
+PERSON_ID = '263781'   # BART
+ACTIVITY_ID = 'A10055227963'
+START_DATE = '2023-02-01'
+END_DATE = '2023-07-01'
+WEEK = '_XB____'
+
+
+def check(args):
+    utils.configure_logging(args.verbose)
+    client = utils.get_client(args.env, 'Activity')
+
+    if len(args.week) != 7:
+        raise Exception("week must contain 7 letters (on per week day)")
+    week = []
+    for i, unit_letter in enumerate(args.week):
+        if unit_letter in ['_', ' ']:
+            letter = None
+        else:
+            letter = unit_letter
+        week.append({
+            'dayNum': i+1,
+            'calendarLetter': letter,
+            'isPresent': bool(letter is not None),
+        })
+
+    result = client.service.updateWeekCalendar(
+        numPerson=args.person,
+        idActivity=args.activity,
+        dateStart=args.start,
+        dateEnd=args.end,
+        dayWeekInfoList=week,
+    )
+    print(result)
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument('--verbose', '-v', type=int, default=2, help='display errors')
+    parser.add_argument('--env', '-e', default='integ', help='dev, test, integ, prod')
+    parser.add_argument('--family', '-f', default=FAMILY_ID, help='family id')
+    parser.add_argument('--person', '-P', default=PERSON_ID, help='person id')
+    parser.add_argument('--activity', '-a', default=ACTIVITY_ID, help='activity id')
+    parser.add_argument('--start', '-S', default=START_DATE, help='start date (ex: 2023-02-01)')
+    parser.add_argument('--end', '-E', default=START_DATE, help='end date (ex: 2023-07-01)')
+    parser.add_argument('--week', '-W', default=WEEK, help='7 unit lettres or "_" (ex: _XB____)')
+    check(parser.parse_args())