<?xml version="1.0" encoding="utf-8" ?> <odoo> <record model="ir.ui.view" id="email_compose_message_wizard_inherit_form"> <field name="name" >mail.compose.message.form (mail_attach_existing_attachment)</field> <field name="model">mail.compose.message</field> <field name="inherit_id" ref="mail.email_compose_message_wizard_form" /> <field name="arch" type="xml"> <xpath expr="//field[@name='attachment_ids']" position="after"> <field name="can_attach_attachment" invisible="1" /> <div attrs="{'invisible': [('can_attach_attachment', '=', False)]}"> <br /> <field name="object_attachment_ids" widget="many2many_checkboxes" domain="[('res_model', '=', model), ('res_id', '=', res_id)]" /> </div> </xpath> </field> </record> </odoo>