diff --git a/locale/fr/LC_MESSAGES/rougail_user_data_yaml.po b/locale/fr/LC_MESSAGES/rougail_user_data_yaml.po
index 40b51fa..289cb5f 100644
--- a/locale/fr/LC_MESSAGES/rougail_user_data_yaml.po
+++ b/locale/fr/LC_MESSAGES/rougail_user_data_yaml.po
@@ -5,8 +5,8 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: \n"
-"POT-Creation-Date: 2025-04-09 08:34+0200\n"
-"PO-Revision-Date: 2025-04-09 08:35+0200\n"
+"POT-Creation-Date: 2025-05-11 10:23+0200\n"
+"PO-Revision-Date: 2025-05-11 10:23+0200\n"
 "Last-Translator: \n"
 "Language-Team: \n"
 "Language: fr\n"
@@ -16,21 +16,21 @@ msgstr ""
 "Generated-By: pygettext.py 1.5\n"
 "X-Generator: Poedit 3.5\n"
 
-#: src/rougail/user_data_yaml/__init__.py:42
+#: src/rougail/user_data_yaml/__init__.py:43
 msgid "yaml is not set in step.user_data"
 msgstr "\"yaml\" n'est pas défini dans step.user_data"
 
-#: src/rougail/user_data_yaml/__init__.py:62
+#: src/rougail/user_data_yaml/__init__.py:63
 msgid "cannot load \"{0}\", the root value is not a dict but \"{1}\""
 msgstr ""
 "ne peut charger \"{0}\", la valeur racine n'est pas une dictionnaire mais "
 "\"{1}\""
 
-#: src/rougail/user_data_yaml/__init__.py:85
+#: src/rougail/user_data_yaml/__init__.py:86
 msgid "the YAML file \"{0}\""
 msgstr "le fichier YAML \"{0}\""
 
-#: src/rougail/user_data_yaml/__init__.py:116
+#: src/rougail/user_data_yaml/__init__.py:117
 msgid "\"{0}\" in {1} has an unknown value"
 msgstr "\"{0}\" dans {1}  a une valeur inconnue"
 
diff --git a/locale/rougail_user_data_yaml.pot b/locale/rougail_user_data_yaml.pot
index 594bbde..120f654 100644
--- a/locale/rougail_user_data_yaml.pot
+++ b/locale/rougail_user_data_yaml.pot
@@ -5,7 +5,7 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2025-05-03 22:46+0200\n"
+"POT-Creation-Date: 2025-05-11 10:24+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
diff --git a/src/rougail/user_data_yaml/locale/fr/LC_MESSAGES/rougail_user_data_yaml.mo b/src/rougail/user_data_yaml/locale/fr/LC_MESSAGES/rougail_user_data_yaml.mo
index 4fdc703..ed9c7e4 100644
Binary files a/src/rougail/user_data_yaml/locale/fr/LC_MESSAGES/rougail_user_data_yaml.mo and b/src/rougail/user_data_yaml/locale/fr/LC_MESSAGES/rougail_user_data_yaml.mo differ
diff --git a/tests/results/40_0leadership_reduce/errors/all.json b/tests/results/40_0leadership_reduce/errors/all.json
new file mode 100644
index 0000000..217db0a
--- /dev/null
+++ b/tests/results/40_0leadership_reduce/errors/all.json
@@ -0,0 +1,4 @@
+{
+    "errors": [],
+    "warnings": []
+}
\ No newline at end of file
diff --git a/tests/results/40_0leadership_reduce/errors/mandatories.json b/tests/results/40_0leadership_reduce/errors/mandatories.json
new file mode 100644
index 0000000..217db0a
--- /dev/null
+++ b/tests/results/40_0leadership_reduce/errors/mandatories.json
@@ -0,0 +1,4 @@
+{
+    "errors": [],
+    "warnings": []
+}
\ No newline at end of file
diff --git a/tests/results/40_0leadership_reduce/file/all.yml b/tests/results/40_0leadership_reduce/file/all.yml
new file mode 100644
index 0000000..baaf007
--- /dev/null
+++ b/tests/results/40_0leadership_reduce/file/all.yml
@@ -0,0 +1,14 @@
+{
+    "rougail": {
+        "leadership": [
+            {
+                "leader": "val1",
+                "follower": "string1"
+            },
+            {
+                "leader": "val2",
+                "follower": "string2"
+            }
+        ]
+    }
+}
\ No newline at end of file
diff --git a/tests/results/40_0leadership_reduce/file/all_exclude.yml b/tests/results/40_0leadership_reduce/file/all_exclude.yml
new file mode 100644
index 0000000..baaf007
--- /dev/null
+++ b/tests/results/40_0leadership_reduce/file/all_exclude.yml
@@ -0,0 +1,14 @@
+{
+    "rougail": {
+        "leadership": [
+            {
+                "leader": "val1",
+                "follower": "string1"
+            },
+            {
+                "leader": "val2",
+                "follower": "string2"
+            }
+        ]
+    }
+}
\ No newline at end of file
diff --git a/tests/results/40_0leadership_reduce/file/mandatories.yml b/tests/results/40_0leadership_reduce/file/mandatories.yml
new file mode 100644
index 0000000..ea82b08
--- /dev/null
+++ b/tests/results/40_0leadership_reduce/file/mandatories.yml
@@ -0,0 +1,15 @@
+{
+    "rougail": {
+        "leadership": [
+            {
+                "follower": "string1"
+            },
+            {
+                "follower": "string2"
+            },
+            {
+                "follower": "string3"
+            }
+        ]
+    }
+}
\ No newline at end of file
diff --git a/tests/results/40_0leadership_reduce/makedict/all.json b/tests/results/40_0leadership_reduce/makedict/all.json
new file mode 100644
index 0000000..4677a61
--- /dev/null
+++ b/tests/results/40_0leadership_reduce/makedict/all.json
@@ -0,0 +1,12 @@
+{
+    "rougail.leadership.leader": [
+        {
+            "rougail.leadership.leader": "val1",
+            "rougail.leadership.follower": "string1"
+        },
+        {
+            "rougail.leadership.leader": "val2",
+            "rougail.leadership.follower": "string2"
+        }
+    ]
+}
diff --git a/tests/results/40_0leadership_reduce/makedict/mandatories.json b/tests/results/40_0leadership_reduce/makedict/mandatories.json
new file mode 100644
index 0000000..d48d03f
--- /dev/null
+++ b/tests/results/40_0leadership_reduce/makedict/mandatories.json
@@ -0,0 +1,16 @@
+{
+    "rougail.leadership.leader": [
+        {
+            "rougail.leadership.leader": "value_1",
+            "rougail.leadership.follower": "string1"
+        },
+        {
+            "rougail.leadership.leader": "value_2",
+            "rougail.leadership.follower": "string2"
+        },
+        {
+            "rougail.leadership.leader": "value_3",
+            "rougail.leadership.follower": "string3"
+        }
+    ]
+}