diff --git a/coworking_relation/views/relation_menu.xml b/coworking_relation/views/relation_menu.xml
index e81baee..a2ab1e1 100644
--- a/coworking_relation/views/relation_menu.xml
+++ b/coworking_relation/views/relation_menu.xml
@@ -4,7 +4,7 @@
 
   <!-- Action to open Coworkers list -->
   <act_window id="relation_action" name="Relation"
-    res_model="coworking.relation" view_mode="form" />
+    res_model="coworking.relation" view_mode="tree" />
   <!-- Menu item to open Event list -->
   <menuitem id="relation_menu" name="Relation" action="relation_action" />
 
diff --git a/coworking_relation/views/relation_views.xml b/coworking_relation/views/relation_views.xml
index fb7e51e..fe62d3e 100644
--- a/coworking_relation/views/relation_views.xml
+++ b/coworking_relation/views/relation_views.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 
 <odoo>
+
 <!-- Form -->
 <record id="view_form_relation" model="ir.ui.view">
   <field name="name">Relation Form</field>
@@ -10,8 +11,8 @@
       <sheet>
         <group name="group_top">
           <group name="group_left">
-            <field name="coworker1" domain="[('coworker2', '&lt;=', uid)]" />
-            <field name="coworker2" domain="[('coworker1', '&lt;=', uid)]" />
+            <field name="coworker1" domain="[('id', '!=', coworker2)]" />
+            <field name="coworker2" domain="[('id', '!=', coworker1)]" />
             <field name="relation" />
           </group>
         </group>
@@ -20,5 +21,17 @@
   </field>
 </record>
 
+<!-- Tree -->
+<record id="view_tree_relation" model="ir.ui.view">
+  <field name="name">relation Tree</field>
+  <field name="model">coworking.relation</field>
+  <field name="arch" type="xml">
+    <tree editable="True">
+      <field name="coworker1" domain="[('id', '!=', coworker2)]" />
+      <field name="coworker2" domain="[('id', '!=', coworker1)]" />
+      <field name="relation" />
+    </tree>
+  </field>
+</record>
 
 </odoo>