liste event

views/event.xml

@@ -23,6 +23,9 @@
         <field name="model">event.event</field>
         <field name="inherit_id" ref="event.view_event_tree" />
         <field name="arch" type="xml">
+        <xpath expr="//field[@name='name']" position="attributes">
+        <attribute name="width">300px</attribute>
+        </xpath>
         <xpath expr="//field[@name='seats_used']" position="after">
         
                 <field string="calendar event id" name="calendar_event_id"/>