mail.mass_mailing.contact.tree.inherit mail.mass_mailing.contact mail.mass_mailing.contact.form.partner mail.mass_mailing.contact {'readonly': [('partner_id', '!=', False)]} {'readonly': [('partner_id', '!=', False)]} {'readonly': [('partner_id', '!=', False)]} {'readonly': [('partner_id', '!=', False)]} {'readonly': [('partner_id', '!=', False)]} {'readonly': [('partner_id', '!=', False)]} Add partner search field and group by mail.mass_mailing.contact