diff --git a/src/ephios/core/forms/events.py b/src/ephios/core/forms/events.py
index 385e6b2f5..3ddd1d933 100644
--- a/src/ephios/core/forms/events.py
+++ b/src/ephios/core/forms/events.py
@@ -59,7 +59,7 @@ class EventForm(forms.ModelForm):
class Meta:
model = Event
- fields = ["title", "type", "description", "location"]
+ fields = ["title", "type", "description", "location", "planner_note"]
widgets = {"description": MarkdownTextarea}
def __init__(self, **kwargs):
diff --git a/src/ephios/core/migrations/0040_event_planner_note.py b/src/ephios/core/migrations/0040_event_planner_note.py
new file mode 100644
index 000000000..726dd83c2
--- /dev/null
+++ b/src/ephios/core/migrations/0040_event_planner_note.py
@@ -0,0 +1,22 @@
+# Generated by Django 5.2.12 on 2026-04-25 17:37
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+ dependencies = [
+ ("core", "0039_alter_userprofile_disabled_notifications"),
+ ]
+
+ operations = [
+ migrations.AddField(
+ model_name="event",
+ name="planner_note",
+ field=models.TextField(
+ blank=True,
+ help_text="Note only visible to responsibles of this event.",
+ null=True,
+ verbose_name="planner note",
+ ),
+ ),
+ ]
diff --git a/src/ephios/core/models/events.py b/src/ephios/core/models/events.py
index 4d612d8c4..5061be2c5 100644
--- a/src/ephios/core/models/events.py
+++ b/src/ephios/core/models/events.py
@@ -91,6 +91,12 @@ class Event(Model):
description = TextField(_("description"), blank=True, null=True)
location = CharField(_("location"), max_length=254)
type = ForeignKey(EventType, on_delete=models.CASCADE, verbose_name=_("event type"))
+ planner_note = models.TextField(
+ _("planner note"),
+ blank=True,
+ null=True,
+ help_text=_("Note only visible to responsibles of this event."),
+ )
active = BooleanField(default=False, verbose_name=_("active"))
group_object_permission_set = GenericRelation(
GroupObjectPermission, object_id_field="object_pk"
diff --git a/src/ephios/core/templates/core/event_form.html b/src/ephios/core/templates/core/event_form.html
index 03f92585d..e7208ac50 100644
--- a/src/ephios/core/templates/core/event_form.html
+++ b/src/ephios/core/templates/core/event_form.html
@@ -21,53 +21,104 @@
{% render_alert unsaved_message|add:" ("|add:event.title|add:"). "|add:view_message|add:""|safe %}
{% endfor %}
{% endif %}
-
-