diff --git a/models/event.py b/models/event.py
index 9e3ad66..54d3c19 100755
--- a/models/event.py
+++ b/models/event.py
@@ -421,6 +421,25 @@ class KalachakraEvent(models.Model):
     )
     teaching_html_content_records=fields.Html('teaching content records')
 
+    def add_registration_to_mailing_list(self):
+        registrants=self.env['event.registration'].search([('event_id','=',int(self.id))])
+        if registrants:
+            for reg in registrants:
+                if  reg.event_id.recurring_event_newsletter_id:
+                    mailing_contact=self.env['mailing.contact'].sudo().search([('email','=',reg.partner_id.email)],limit=1)
+                    #si le contact n'existe pas comme mailing contact, création
+                    if not mailing_contact:
+                        vals={}
+                        vals['email']=reg.partner_id.email
+                        vals['name']=reg.partner_id.name
+                        vals['title_id']=int(reg.partner_id.title)
+                        vals['country_id']=int(reg.partner_id.country_id)
+                        vals['list_ids']=[(4,int(reg.event_id.recurring_event_newsletter_id))]
+                        mailing_contact=self.env['mailing.contact'].sudo().create(vals)
+                    else:
+                        #si le contact existe, si la liste de diffusion n'est pas lié au contact, on l'ajoute
+                        if not reg.event_id.recurring_event_newsletter_id in mailing_contact.list_ids:
+                            mailing_contact.sudo().write({'list_ids':[(4,int(reg.event_id.recurring_event_newsletter_id))]})
 
     def add_event_to_google_agenda(self):
 
diff --git a/views/event.xml b/views/event.xml
index 53189e9..7210337 100755
--- a/views/event.xml
+++ b/views/event.xml
@@ -117,12 +117,13 @@
 
                  <button name="generate_events" attrs="{'invisible':['|',('generated_events','=',True),'|','|',('frequency','=',False),('end_generation_date','=',False),('parent_event_id','!=',False)]}" type="object" string="generate the events" class="btn btn-primary"/>
                   <button name="remove_generated_events" attrs="{'invisible':['|',('generated_events','=',False),'|','|',('frequency','=',False),('end_generation_date','=',False),('parent_event_id','!=',False)]}" type="object" string="remove generated events" class="btn btn-danger"/>
-
+                <button name="add_registration_to_mailing_list" type="object"  string="Add registrants to the mailing list" class="btn btn-primary"/>
                 <field name="calendar_event_id" invisible="1"/>
                 <field name="parent_event_id" invisible="1"/>
                 <field name="frequency" invisible="1"/> 
                 <field name="end_generation_date" widget="date" invisible="1"/>
                 <field name="generated_events" invisible="1"/>
+
             </xpath>
         
         <xpath expr="//field[@name='tag_ids']" position="after">