diff --git a/models/event.py b/models/event.py
index 99e125e..c9c825f 100644
--- a/models/event.py
+++ b/models/event.py
@@ -12,7 +12,7 @@ class Event(models.Model):
     _order = 'id desc'
 
     title = fields.Char(required=True)
-    # manager = fields.Many2one('coworker.users','Manager', required=True, index=True)
+    manager_id = fields.Many2one('coworking.coworker', 'Users', required=False, index=True)
     date_start = fields.Datetime(default=fields.Date.context_today, required=True)
     date_end = fields.Datetime(required=True)
 
@@ -22,7 +22,7 @@ class Event(models.Model):
                                ('confirmed', 'Confirmed'),
                                ('canceled', 'Canceled')], default='draft')
 
-    participants_ids = fields.Many2many('coworking.coworker.name', string='Name')
+    participants_ids = fields.Many2many('coworking.coworker', string='Users')
 
 
     @api.constrains('date_end')
diff --git a/views/coworker_views.xml b/views/coworker_views.xml
index 758e309..003145a 100644
--- a/views/coworker_views.xml
+++ b/views/coworker_views.xml
@@ -18,7 +18,6 @@
               <field name="coworker_type" />
               <field name="company_name" />
               <field name="job"  />
-                 <!-- attrs="{'invisible': [('company_name', '=', False)], 'required': [('company_name', '!=', False)]}" -->
             </group>
             <group name="group_right">
               <field name="street" />
@@ -39,7 +38,6 @@
                 <field name="note" />
               </page>
               <page string="Events" name="Events">
-                <!-- futur field name events -->
               </page>
             </notebook>
           </groupe>
@@ -138,7 +136,6 @@
     <field name="arch" type="xml">
       <calendar date_start="contact_date"
         display="First contact : [name]" >
-        <!-- Fields used for the display text -->
         <field name="name" />
       </calendar>
     </field>
diff --git a/views/event_menu.xml b/views/event_menu.xml
index 8c46ee4..41e46ac 100644
--- a/views/event_menu.xml
+++ b/views/event_menu.xml
@@ -4,8 +4,8 @@
 
   <!-- Action to open Coworkers list -->
   <act_window id="event_action" name="Event"
-    res_model="coworking.event" view_mode="form" />
-  <!-- Menu item to open Coworkers list -->
+    res_model="coworking.event" view_mode="tree,form" />
+  <!-- Menu item to open Event list -->
   <menuitem id="event_menu" name="Event" action="event_action" />
 
 </odoo>
diff --git a/views/event_views.xml b/views/event_views.xml
index 2c5842b..ee509e6 100644
--- a/views/event_views.xml
+++ b/views/event_views.xml
@@ -11,7 +11,7 @@
           <group name="group_top">
             <group name="group_left">
               <field name="title" />
-              <!-- <field name="manager" /> -->
+              <field name="manager_id" />
               <field name="date_start" />
               <field name="date_end" />
               <field name="duration" />
@@ -25,4 +25,19 @@
     </field>
   </record>
 
+  <!-- Tree -->
+  <record id="view_tree_coworker" model="ir.ui.view">
+    <field name="name">event Tree</field>
+    <field name="model">coworking.event</field>
+    <field name="arch" type="xml">
+      <tree default_order="date_start asc, title asc">
+        <field name="title" />
+        <field name="manager_id" />
+        <field name="date_start" />
+        <field name="participants_ids" />
+        <field name="statut" />
+      </tree>
+    </field>
+  </record>
+
 </odoo>